Weather in Thailand: Climate, Seasons and Travel Tips
Weather in Thailand shapes daily life and strongly influences travel. Understanding the climate and its variations is essential for planning a smooth trip.
Climate in Thailand: General Overview
Thailand has a tropical climate with three main seasons:
- Cool season (November to February): mild temperatures, clear skies, peak tourist season.
- Hot season (March to May): very hot, often above 35 °C.
- Rainy season (June to October): heavy but short downpours, lush green landscapes.
👉 Weather conditions vary by region (mountainous North, Central plains, Andaman coast, Gulf of Thailand).
Average Temperatures in Thailand
- Bangkok: 25–34 °C depending on the season.
- Chiang Mai (North): cooler nights (18–22 °C in the cool season).
- Phuket (Andaman): hot and humid year-round.
- Koh Samui (Gulf): rainy season shifts later, heaviest in November/December.
Best Time to Visit Thailand Based on Weather
- December to February: ideal for traveling anywhere, dry and sunny.
- March to May: great for beaches, though heat can be intense.
- June to October: rainy season, but fewer tourists and lower prices.
Monthly Weather Guides
Check out our detailed month-by-month guides to plan your trip:
Weather Alerts and Updates
We regularly publish weather alerts on:
- Heavy rainfall and seasonal flooding.
- Tropical storms affecting the Gulf of Thailand and the Andaman Sea.
- Heatwaves and pollution episodes.
Practical Travel Tips for Thailand’s Weather
- Light clothing in cotton or linen, but pack a rain jacket for the wet season.
- Sunscreen and hat are must-haves year-round.
- Check regional forecasts: for example, Koh Samui is sunnier in September than the Andaman coast.
- Stay flexible: plan indoor activities (museums, temples, spas) in case of heavy showers.