Thailand Weather: Heavy Rain and Flood Risks Across Several Regions
Heavy rain is affecting several parts of Thailand, causing local flooding and travel disruptions. The Thai Meteorological Department (TMD) is warning of continued heavy rain, flash floods and runoff in several regions through August 16. Travellers should check local weather and road conditions before setting out.

Thailand officially enters the rainy season as monsoon begins
Thailand officially enters the rainy season on May 15, 2026. The period marks the return of the southwest monsoon, bringing more frequent storms and changing weather conditions across the kingdom.