Phnom Penh Municipality is one of several regions in Cambodia, with temperatures that range from 32°C (90°F) in December to 37°C (99°F) during the peak of April. We've based our full climate overview on data from Phnom Penh, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Throughout the year, Phnom Penh Municipality, particularly Phnom Penh, maintains high temperatures, with average maximums always over 32°C (90°F).
The peak heat season generally takes place in March, April and May.
When it comes to rainfall, Phnom Penh Municipality sees significant variations throughout the year. September tends to be the wettest, receiving 252 mm (9.9 in) of rain, while February is much drier with just 11 mm (0.4 in). Travelers should note that the rainy season falls during September and October, bringing substantial precipitation ranging from 246 mm (9.7 in) to 252 mm (9.9 in) monthly. The driest conditions can be found during January and February, with rainfall staying below 16 mm (0.6 in).
For those seeking sunshine, March usually has the brightest skies, making it an excellent time for exploring the region.
