When planning a visit to Chanthaburi Province in Thailand, it helps to know that temperatures typically range from 30°C (86°F) in September up to 33°C (91°F) during the peak of April. Our detailed climate overview is based on data from Ban Thap Sai, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
High temperatures are a constant in Chanthaburi Province, especially in Ban Thap Sai, with average maximums staying above 30°C (86°F) all year long.
February, March and April are generally the hottest months of the year.
When it comes to rainfall, Chanthaburi Province sees significant variations throughout the year. September tends to be the wettest, receiving 385 mm (15 in) of rain, while December is much drier with just 12 mm (0.5 in). Travelers should note that the rainy season falls during May, June, July, August, September and October, bringing substantial precipitation ranging from 231 mm (9.1 in) to 385 mm (15 in) monthly. December marks the driest time of year, with rainfall falling below 12 mm (0.5 in).
January is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
