December 2025 in Thailand: Unmissable festivals and events

Discover Thailand’s top festivals, national holidays, concerts, and major cultural events in December 2025. Explore a clear, region-by-region guide to plan your trip or holiday in the Kingdom of Thailand.

National Events and Public Holidays in Thailand – December 2025

The month of December in Thailand is highlighted by two major national celebrations, in addition to New Year’s Day, which are also official public holidays:

December 5: King Rama IX’s Birthday & Father’s Day

On December 5, Thailand honors the birthday of King Bhumibol Adulyadej (Rama IX), a deeply revered monarch, while also celebrating Father’s Day nationwide. This important holiday is marked by ceremonies, tributes, and family gatherings across the country.

Why 5 December Matters in Thailand: King Bhumibol's Birthday and Father's Day

A day of national pride and reverence, 5 December marks the legacy of King Bhumibol and the celebration of Father’s Day, bringing Thais together in honor and tradition.

December 10: Constitution Day

• Date: December 10 – Public Holiday

Thailand Constitution Day (10 December): History, Celebrations, and Key Facts

Every year on 10 December, Thailand celebrates Constitution Day. This historic event, a cornerstone of Thailand’s modern history, represents the transition from an absolute monarchy to a system in which the Constitution guarantees a balance of power.

December in Thailand: Festivals and Traditions

Christmas in Thailand: Masses, Concerts, and Illuminations

• Attend a Christmas Mass

In Bangkok, one of the most unique ways to celebrate Christmas in Thailand is by attending a Christmas Mass. Although Buddhism is the predominant religion in Thailand, the country is renowned for its strong spirit of religious tolerance. To experience a Christmas service, you can visit the Assumption Cathedral in Bangkok.
Another option is Saint Joseph Church, a historic legacy of the Portuguese community in Ayutthaya, located just a few hours from Bangkok.

These religious landmarks, along with other churches across Thailand, host Christmas concerts and festive celebrations, especially in the weeks leading up to Christmas Eve.

Complete Guide to Christmas in Thailand

For more information on how Christmas is celebrated in Thailand, see this detailed guide:

Christmas in Thailand: How the Country Celebrates the Festive Season

Is Christmas celebrated in Thailand? Discover how the country embraces the festive season through decorations, events, local customs and regional celebrations.

New Year 2026: Fireworks, Concerts, and Festivities

As every year, large-scale fireworks displays will light up several Thai cities to welcome the New Year. The biggest and most spectacular celebration takes place in Bangkok. For everything you need to know about New Year’s Eve in Thailand, see below:

Celebrating New Year 2026 in Thailand: festivities, destinations and essential tips

New Year’s Eve in Thailand! From Bangkok to Phuket, discover the festivities and events not to be missed on New Year’s Eve. Find out all about the traditions and tips for a memorable New Year’s experience in Thailand.

The program for New Year 2026 is coming soon! Just a few more days of patience.

What to Do in Bangkok in December 2025?

Vijit Chao Phraya 2025: River Illuminations

The Vijit Chao Phraya Festival 2025 is one of Bangkok’s most spectacular cultural events, transforming the Chao Phraya River into a dazzling stage of lights, art installations, and multimedia shows. Visitors can enjoy breathtaking illuminations at iconic landmarks such as Wat Arun, Rama VIII Bridge, and Memorial Bridge, making it a must-see highlight for anyone traveling to Thailand in December.

This annual festival combines modern light technology with traditional Thai heritage, offering travelers unforgettable photo opportunities and a festive atmosphere along the riverbanks.

Vijit Chao Phraya 2025: a light show not to be missed in Bangkok

Along the banks of the Chao Phraya River, Bangkok plays host to Vijit Chao Phraya 2025, an exceptional cultural event that lights up the city from 9 November to 23 December.

Suan Luang Rama IX Floral Festival

Bangkok’s largest flower festival begins on December 1, 2025, at the Suan Luang Rama IX Park. More than 600,000 flowers and plants will be on display, accompanied by numerous cultural and recreational activities.

The Phanmai Ngam Aram Suan Luang Ror Kao, also known as the Suan Luang Rama IX Flower Festival, has been held annually since the park’s opening in 1987. It is one of the most colorful and popular events in Bangkok, attracting both locals and international visitors who wish to experience Thailand’s floral heritage.

This spectacular floral fair is a must-see highlight for anyone visiting Bangkok in December, offering vibrant gardens, seasonal exhibitions, and unique photo opportunities.

Red Cross Fair 2025

The Red Cross Fair 2025 is one of Bangkok’s most popular annual events, dedicated to the Thai Red Cross but featuring a wide variety of stalls ranging from local food to handmade crafts. This lively fair offers visitors a chance to enjoy cultural performances, shop for unique products, and experience the festive atmosphere in the heart of the city.

This family-friendly event is a highlight of December in Bangkok, attracting both locals and tourists. It combines charity, entertainment, and Thai culture, making it a must-visit for anyone exploring Thailand during the holiday season.

Royal Bangkok Symphony Orchestra: December Concerts

In December 2025, the Royal Bangkok Symphony Orchestra (RBSO) presents five major concerts, offering a rich program of classical music and festive performances:

• December 10, 2025 – Russian Spiritual Culture Days: featuring Daniil Kogan (violin), Dmitry Masleev (piano), and Igor Morozov (tenor).
• December 13, 2025 – Vivaldi’s Four Seasons: one of the most iconic works of the Baroque repertoire.
• December 19, 2025 – Sound of the Seasons: a joyful Christmas and New Year concert for families, held at the Thailand Cultural Centre.
• December 22, 2025 – RBSO and TSO Friendship Concert: with singer Niizuma Seiko, conducted by Naoto Otomo.
• December 31, 2025 – Royal Opera House Muscat: a special New Year’s Eve concert with Sergey Smbatyan (conductor), Behzod Abduraimov (piano), and Elli Choi (violin).

These concerts highlight Bangkok’s vibrant cultural scene in December, making the RBSO a must-see for classical music lovers and travelers seeking festive events in Thailand.

Concert in the Park

From December 2025 to February 2026, the Royal Bangkok Symphony Orchestra (RBSO) lights up Sunday evenings at Lumphini Park with free open-air concerts. This magical event blends classical music with a warm, friendly atmosphere right in the heart of Bangkok, making it one of the city’s most beloved cultural traditions.

The Concert in the Park series is a highlight for both locals and tourists, offering a unique chance to enjoy world-class symphonic performances under the stars. Families, couples, and travelers gather to picnic on the lawns while listening to timeless classics and festive melodies, making this event a must-see during the Bangkok winter season.

808 Festival Bangkok 2025

The 808 Festival Bangkok 2025, scheduled from December 5–7, 2025 at BITEC Bangna, marks the 12th edition of Thailand’s most iconic electronic music festival. This year’s lineup features an impressive roster of international DJs and producers, including Charlotte de Witte, Dom Dolla, Pan-Pot, Reinier Zonneveld, Netsky, and MALAA, making it one of the most anticipated EDM events in Asia.

Since its creation, the 808 Festival has become a benchmark for electronic music lovers, attracting thousands of fans from across the world to Bangkok. With cutting-edge stage design, immersive light shows, and world-class performances, the 2025 edition promises an unforgettable experience for festival-goers.

The 808 Festival Bangkok 2025 is not only a highlight of Thailand’s December events but also a must-attend for anyone passionate about electronic dance music and Asia’s vibrant nightlife scene.

Bangkok Midnight Marathon 2025

The Bangkok Midnight Marathon 2025 will take place on Sunday, December 21, 2025, starting at midnight from Sanam Chai Road, right in the heart of Bangkok. This official World Athletics Road Race event attracts both local and international runners, offering a unique opportunity to experience the city’s historic streets under the night sky.

The Bangkok Midnight Marathon is one of Thailand’s most distinctive sporting events, combining athletic challenge with cultural discovery. Running past iconic landmarks at night creates an unforgettable atmosphere, making this marathon a must‑do for sports enthusiasts and travelers visiting Bangkok in December.

Pattaya & Chonburi: December 2025 Events

Wonderfruit Festival 2025

The Wonderfruit Festival 2025 is Thailand’s leading sustainable lifestyle and music festival, held in the scenic grounds of The Fields at Siam Country Club in Chonburi. Known for its eco-conscious ethos, Wonderfruit combines international and local music performances with art installations, wellness workshops, farm-to-table food experiences, and sustainability initiatives.

Since its launch, Wonderfruit has become one of Asia’s most innovative festivals, attracting travelers from around the world who seek a unique blend of culture, creativity, and environmental awareness. The 2025 edition promises immersive experiences, diverse stages, and a vibrant community atmosphere.

For more details about the festival, see this article:

Wonderfruit Festival 2025 Returns

Wonderfruit Festival 2025 Returns. Discover all the information you need for an unforgettable experience at the heart of one of Thailand’s most emblematic festivals.

Pattaya Jazz Festival 2025

The Pattaya Jazz Festival 2025, themed The Harmonic Jazz & Beach, will take place on December 12–13, 2025, starting at 7:00 PM on Pattaya Beach, Chonburi. This international jazz festival is one of Thailand’s most anticipated cultural events, blending world-class jazz performances with the vibrant atmosphere of the seaside.

Confirmed Artists:

• All-4-One – international group famous for I Swear
• Shakatak – British jazz-funk band
• B5 – Thai vocal group
• Tor Saksit – Thai pianist and singer
• Be Peerapat, Varitda, Natt Bundita, Nok Phrimphaa, Note Sarun, Ton Thanasit, Wim – leading figures of Thai jazz
• The Swing Kings – big band swing ensemble

The Pattaya Jazz Festival is a must-see event for music lovers, offering a unique blend of international and Thai jazz talent against the stunning backdrop of Pattaya’s beachfront. With its lively performances and festive atmosphere, it has become a highlight of December in Thailand’s cultural calendar.

PAN10K Charity Run 2025

The PAN10K Charity Run 2025 is much more than just a race — it is one of Chonburi’s most important community events, combining sport, solidarity, and support for local hospitals and schools. Runners of all levels come together to promote health, unity, and charitable giving, making this event a highlight of December in the region.

This charity run offers participants not only the thrill of competition but also the chance to contribute to meaningful causes. With its festive atmosphere and strong community spirit, the PAN10K Charity Run has become a must‑attend event for both locals and visitors in Chonburi.

Trail Masters Series 2025 – Wisdom Valley

The Trail Masters Series 2025 will take place on December 14, 2025 at Wisdom Valley, Chon Buri province. This prestigious trail running event attracts athletes and outdoor enthusiasts from across Thailand and beyond, offering challenging routes through scenic landscapes, forests, and rugged terrain.

Known for its breathtaking natural setting, the Trail Masters Series is a highlight of Thailand’s sports calendar, combining endurance, adventure, and community spirit. Participants can expect a well‑organized race with diverse categories, making it suitable for both elite runners and recreational athletes seeking an unforgettable outdoor experience.

Sport: SWIMATHON 2025

The SWIMATHON 2025 marks the return of Thailand’s largest open-water swimming event, held at Na Jomtien Beach. With a festive atmosphere, refreshment stations, and enthusiastic support for swimmers, this competition is a highlight of Chonburi’s sports calendar.

The event also hosts the AMAZINGKIDS SWIM SERIES Finals on December 20–21, 2025, featuring races from 100 to 1,200 meters for young swimmers aged 6 to 17. This family-friendly competition combines endurance, community spirit, and the promotion of swimming among youth.

WGP#1 Waterjet World Cup 2025

The WGP#1 Waterjet World Cup 2025 is one of the most thrilling international water sports competitions, bringing together top riders from around the globe to compete in high-speed jet ski races. Held at Jomtien Beach in Pattaya, this event combines adrenaline, skill, and cutting-edge watercraft technology, making it a highlight of Thailand’s December sporting calendar.

December 2025 Festivals in Chanthaburi

Chanthaburi Book Festival – 3rd Edition

The Chanthaburi Book Festival – 3rd Edition is one of the province’s major cultural events in December, perfect for families, book lovers, and visitors. This festival offers a vibrant program of book exhibitions, author meet‑and‑greets, workshops, and cultural activities, making it a highlight for anyone interested in literature and Thai culture.

Suan Ploen Christmas Market

From November 21, 2025 to January 1, 2026, the Suan Ploen Christmas Market transforms the Central Chanthaburi Mall into a festive hub. This unique event blends artisanal crafts, vintage treasures, and a vibrant night scene, offering visitors a warm and joyful atmosphere at the heart of the city.

The market is not only a place to shop for handmade gifts and seasonal decorations, but also a cultural meeting point where locals and travelers gather to celebrate the holiday spirit. With live performances, food stalls, and creative workshops, it has quickly become one of Chanthaburi’s most beloved end‑of‑year traditions.

December 2025 Events in Chiang Mai

Charming Chiang Mai Flower Festival 2025

The Charming Chiang Mai Flower Festival 2025, themed The Golden of Lanna, will run from November 29, 2025 to January 5, 2026. Admission is free, and the site will be open daily from 8:30 AM to 11:00 PM.

Highlights of the program include:

• Illuminated gardens featuring tulips, orchids, and lilies
• Musical fountain shows every evening
• Light installations inspired by Lanna culture
• Traditional dances and concerts
• Festive evenings for Christmas and New Year with fireworks and special performances

This festival is one of Chiang Mai’s most enchanting seasonal events, blending floral artistry with cultural heritage. It offers visitors a magical atmosphere, perfect for families, couples, and travelers seeking to experience the festive spirit of northern Thailand.

Chiang Mai Street Jazz Festival 2025

The Chiang Mai Street Jazz Festival 2025 will take place from December 1–7, 2025, across multiple venues in the city. This vibrant festival offers free outdoor concerts in the streets of Chiang Mai’s Old Town, as well as performances in iconic clubs and cultural centers.

This annual festival has become a cornerstone of Chiang Mai’s cultural calendar, bringing together local and international jazz musicians. With its mix of street performances and intimate club sessions, the event creates a unique atmosphere where music lovers can explore the city while enjoying world-class jazz.

HOKA Chiang Mai (by UTMB) 2025

From December 5–7, 2025, Chiang Mai becomes the capital of trail running with seven races ranging from 17 km to 166 km. This international event offers runners a unique experience combining endurance, mountain landscapes, and the cultural heritage of Lanna.

Trail Race Summary – Chiang Mai, December 2025

Chiang Mai Marathon 2025

The Chiang Mai Marathon 2025 will be held on December 14, 2025 at Chiang Mai PAO Park in Chiang Mai province. This international marathon is one of northern Thailand’s most popular sporting events, attracting runners from around the world to experience the charm of Chiang Mai’s cultural heritage while competing in a festive and energetic atmosphere.

With routes passing through scenic landscapes and historic sites, the marathon offers participants a unique blend of athletic challenge and cultural discovery. It is a highlight of the December sports calendar in Thailand, welcoming both professional athletes and recreational runners.

December 2025 Events in Chiang Rai

Chiang Rai Flower and Art Festival 2025

This annual festival transforms the city into a vibrant showcase of floral beauty and artistic creativity, attracting visitors from across Thailand and abroad.

Highlights include:

• Spectacular displays of seasonal flowers and landscaped gardens
• Art installations blending tradition and modern creativity
• Cultural performances and live music
• Festive activities during Christmas and New Year celebrations

The Chiang Rai Flower and Art Festival is a perfect family-friendly event, offering a mix of nature, culture, and festive spirit. It has become one of northern Thailand’s signature attractions during the holiday season.

Kanchanaburi: River Kwai Bridge Week 2025

Festival du Pont de la Rivière Kwai 2025

The River Kwai Bridge Week & Red Cross Fair 2025 will be held in Kanchanaburi under the theme The Light of Remembrance and Eternal Loyalty. This annual festival commemorates history while offering a vibrant mix of cultural and entertainment activities.

Highlights of the program:

• Daily sound and light show at 7:00 PM (free entry), followed by fireworks
• Additional Saturday performance at 8:30 PM
• Floral parades and themed competitions (singing, beauty, children’s contests)
• Concerts and live music
• Retro and international markets
• Red Cross booths and charity activities
• Traditional performances (Khon and Sang Thong folk drama) on December 4–5

This festival is one of the province’s most iconic cultural events, blending remembrance with celebration. It attracts both Thai and international visitors who come to enjoy the spectacular shows, festive atmosphere, and rich cultural heritage of Kanchanaburi.

December 2025 Events in Ayutthaya

Ayutthaya World Heritage Fair 2025

In December 2025, Ayutthaya lights up with the Ayutthaya World Heritage Fair, a celebration of Thailand’s UNESCO heritage site. Visitors can enjoy sound and light shows, floating markets, traditional dances, and local handicrafts, creating a magical journey through royal history and modern festivity.

⚠️ Please note: due to the national mourning following the passing of the Queen Mother, the program may be subject to changes.

December 2025 Festivals in Khon Kaen

World Ikat Textiles Symposium 2025 (WITS 2025)

The World Ikat Textiles Symposium 2025 (WITS 2025) will be held in Khon Kaen from December 3–5, 2025, marking a decisive step for Isan’s ikat silk on the international stage. Hosted for the first time in the region, the symposium takes place at the Avani Khon Kaen Hotel Convention Hall under the theme:
IKAT: Ties for Tomorrow – Weaving Heritage into Sustainable Futures.

This event brings together textile experts, artisans, designers, and cultural advocates from around the world to explore the heritage of ikat weaving and its role in sustainable futures. Visitors can expect exhibitions, academic discussions, fashion showcases, and opportunities to connect with the rich traditions of Isan silk.

December 2025 Festival in Sakon Nakhon

Sakon Nakhon Christmas Parade 2025

Christmas Star Parade Festival – Tha Rae, Sakon Nakhon
From December 20–26, 2025, the Catholic community of Tha Rae lights up the streets with dazzling star parades, sound and light shows, festive markets, and heritage tours. This unique celebration blends faith, tradition, and the magic of Christmas, making it one of Thailand’s most distinctive holiday events.

The Sakon Nakhon Christmas Parade is renowned for its spectacular star-shaped lanterns carried through the streets, symbolizing the Star of Bethlehem. It is a joyful occasion that attracts visitors from across Thailand, offering a blend of religious devotion, cultural heritage, and festive cheer.

December Festival in Ratchaburi

Nasatta Light Winter Illumination 2025

The Nasatta Light Winter Illumination 2025 transforms NaSatta Park in Ratchaburi into a dazzling wonderland of lights and art installations. Running from November 21, 2024 to April 27, 2025, the festival is open Tuesday to Sunday, from 6:00 PM to 10:00 PM.

Visitors can enjoy immersive light displays, themed zones inspired by Thai culture, interactive installations, and festive performances. The event is designed to highlight both modern creativity and traditional heritage, making it one of Ratchaburi’s most enchanting attractions during the winter season.

December in Phuket and the Islands

Phuket King’s Cup Regatta 2025

The Phuket King’s Cup Regatta 2025 will take place from November 29 to December 6, 2025, at Kata Beach, Phuket. Known as Asia’s most prestigious sailing event, the regatta attracts top sailors and yachts from around the world, offering a week of thrilling races and vibrant social gatherings.

Beyond the competition, the regatta is celebrated for its festive atmosphere, with beachside events, award ceremonies, and cultural showcases that highlight Phuket’s charm as a premier destination for international sports and leisure.

Big Mountain Music Festival 2025 – Khao Yai

The Big Mountain Music Festival 15 will take place from December 5–7, 2025 at The Ocean, Khao Yai. Known as the largest music festival in Thailand, it brings together a diverse line‑up of artists covering every genre of the Thai and international music scene.

Over two days, festival‑goers can enjoy live concerts, stage performances, and cultural showcases in a vibrant atmosphere surrounded by the natural beauty of Khao Yai. The event has become a landmark in Thailand’s entertainment calendar, attracting thousands of music lovers each year.

Festivals & Events in Thailand – December 2025

Here’s a complete overview of the major cultural, musical, and sporting events happening across Thailand in December 2025. This calendar blends national holidays, international festivals, and local traditions, making December one of the most vibrant months of the year.

Highlights of December 2025 in Thailand:

• Music & Arts: Big Mountain Music Festival, Pattaya Jazz Festival, Chiang Mai Street Jazz Festival.
• Cultural Heritage: Ayutthaya World Heritage Fair, River Kwai Bridge Week, Chiang Rai Flower & Art Festival.
• Sports: HOKA Chiang Mai Trail, Bangkok Midnight Marathon, PAN10K Charity Run, Swimathon.
• Festive Spirit: Suan Ploen Christmas Market, Sakon Nakhon Christmas Parade, Nasatta Light Illumination.

FAQ – Thailand in December 2025

What are the public holidays in Thailand in December 2025?

The national holidays are 5 December (King Rama IX’s Birthday & Father’s Day) and 10 December (Constitution Day). 31 December is also a public holiday for New Year’s Eve.

Is Christmas celebrated in Thailand?

Yes, although it is not an official public holiday. Shopping malls offer massive decorations, and churches in Bangkok and Ayutthaya hold Christmas masses and concerts.

Where can I see the best New Year’s Eve fireworks?

The biggest show takes place in Bangkok, especially along the Chao Phraya River. Other cities like Chiang Mai, Pattaya, Phuket, and Hat Yai also host major celebrations.

What are the biggest festivals in December 2025?

Highlights include:

• Vijit Chao Phraya (Bangkok)
• Wonderfruit Festival (Chonburi)
• Charming Chiang Mai Flower Festival
• 808 Festival (Bangkok)
• Chiang Mai Street Jazz Festival

Where are the best light displays in December?

Bangkok is the top destination, with Vijit Chao Phraya, CentralWorld decorations, ICONSIAM illuminations, and major floral festivals.

Are there sports events in December?

Yes:

• Bangkok Midnight Marathon
• Chiang Mai Marathon
• HOKA Chiang Mai by UTMB
• Swimathon 2025
• PAN10K Charity Run

Are festival entries free?

Many events are free (light shows, public concerts), but some festivals require tickets such as Wonderfruit or the 808 Festival.

Is December a good month to visit Thailand?

December is one of the best times of the year: dry season, comfortable temperatures, and a festive atmosphere nationwide.

Where can I find traditional Christmas celebrations?

Christian communities in Bangkok, Ayutthaya, Chanthaburi, and Chiang Mai host masses, choirs, and Christmas markets.

10. Where can I find complete event schedules?

This guide covers all major events, but some schedules (concerts, masses, fireworks) are announced late. Check the official Facebook pages of each organiser.

For all you need to know about cultural events and festivals in Thailand

Explore Thai Culture and Traditions: Events, Festivals, Gastronomy, and Nature

The Thailand culture and traditions section includes general information on a country with multiple cultural traits, such as art, music, dance, literature, religion, festivals, and cuisine, reflecting its long history and diverse ethnic groups.