Cambodia's climate is tropical and dominated by the monsoon. The hot season lasts from March to June, with April being the hottest with more than 37°C. The climate is tropical and dominated by the monsoon. The rainy season runs from May to the beginning of October. Most rain falls in August and September. Siem Reap has lower temperatures than Phnom Penh, and the rain season is dry from November to March.
The most pleasant time is the dry season from November to March. During this time the average temperature is between 20 and 28° C.