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Siem Reap Climate by Month

The graphs below provide an overview of the climate in Siem Reap (Siem Reap Province), Cambodia. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Siem Reap

Tue   Jul 23
32°C | 26°C
SW 18 km/h
7.4 mm
broken clouds and thunder

broken clouds and thunder

Wed   Jul 24
33°C | 27°C
SW 22 km/h
1.2 mm
broken clouds and rain

broken clouds and rain

Thu   Jul 25
33°C | 26°C
SW 22 km/h
3.8 mm
broken clouds and rain

broken clouds and rain

The best time of year to visit Siem Reap in Cambodia

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Siem Reap?
    Most rainfall (rainy season) is seen in May, June, July, August, September and October.
  • Does Siem Reap have a dry season?
    Yes, the months of January, February and December are very dry.
  • Which is the hottest month in Siem Reap?
    April has an average maximum temperature of 36°C and is the hottest month of the year.
  • Which is the coolest month in Siem Reap?
    The coolest month is December with an average maximum temperature of 32°C.
  • Which is the wettest month in Siem Reap?
    September tops the wettest month list with 286 mm of rainfall.
  • Which is the driest month in Siem Reap?
    January is the driest month with 10 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.