Cambodia's temperatures range from 10° to 38 °C (50° to 100 °F) and experiences tropical monsoons. Southwest monsoons blow inland bringing moisture-laden winds from the Gulf of Thailand and Indian Ocean from May to October. The northeast monsoon ushers in the dry season, which lasts from November to March. The country experiences the heaviest precipitation from September to October with the driest period occurring from January to February.

It has two distinct seasons. The rainy season, which runs from May to October, can see temperatures rise up to 40 °C around April and is generally accompanied with high humidity. The dry season lasts from November to April when temperatures can drop to 22 °C.