Chanthaburi has a
tropical monsoon climate (
Köppen climate classification Am), with little variation in temperature throughout the year. Rainfall, however, varies dramatically by season. Rainfall is light and infrequent in the short dry season (December to February), but the wet season (April to October) features torrential rain. March and November are transitional months, during which significant rainfall may occur in some years, while in other years little rain falls. ==Transportation==