River Kwai Weather

The world-famous River Kwai is located in the Kanchanaburi province in western Thailand, just 2 hours from the capital, Bangkok. Experiencing a tropical climate, the region is hot and humid, with a rainy season which runs from June to October, and a dry season from November to April. The average temperature in the River Kwai ranges from 17C to 32C, with a humidity level of 55%, and its location at the edge of a mountain range means it sees cooler temperatures than other regions in Thailand.

 

The most popular time to visit the River Kwai is during the 'cool season', which runs from November to February, with December and January seeing very limited rainfall. Average temperatures during this period range from 24C to 26C, however nights can be chilly. The period from February to May is known as the 'warm season' as temperature start to rise in March, reaching an average of 27C. May sees increased precipitation, and the beginning of the rainy season, with showers experienced from July to September. During the summer, temperatures rise to an average of 28C, and often reach upwards of 30C. The humidity increases significantly during this period.

 

High temperatures and sunshine are expected throughout the year on a holiday to the River Kwai. Most months see an average of between 7-9 hours of sunshine each day, with the summers seeing 5 hours. The rainy season runs from June to October, with the average rainfall in the area ranging from 900mm - 1,000mm. September is the wettest month, seeing 190mm of rain.