The climate in Cambodia is tropical. The rainy season occurs between May and October, with relatively cool temperatures and high levels of humidity. The dry season between November and April sees temperatures peaking at around 104°F (40°C).

The wettest months in Cambodia are September and October, when the moist winds blowing in from the Gulf of Thailand and Indian Ocean dump heavy showers on the country. The rain usually falls in the afternoon, with downpours lasting only an hour or two. The driest months are January and February, and there is virtually no winter to speak of.