Siem Reap Province is one of several regions in Cambodia, with temperatures that range from 31°C (88°F) in December to 36°C (97°F) during the peak of April. We've based our full climate overview on data from Siem Reap, 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.
In Siem Reap Province, especially in Siem Reap, temperatures remain consistently high year-round, with average maximums never dropping below 31°C (88°F).
The peak heat season generally takes place in March, April and May.
Precipitation in Siem Reap Province varies considerably throughout the year. The wettest conditions occur in September with 285 mm (11 in) of rain, while January stays relatively dry with 9 mm (0.4 in). The region experiences its rainy season during August, September and October, when monthly rainfall can range from 196 mm (7.7 in) to 285 mm (11 in). Rainfall in January, February and December is at its lowest, remaining under 17 mm (0.7 in).