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Average climate of Siem Reap

The climate of Siem Reap has an average yearly temperature of 34°C. Throughout the year, the average monthly temperature can drop to 31°C and rise to 36°C.

Annually, about 1400 mm of rain falls. This gives a good overview of how much rain to expect in Siem Reap.

The climate of Siem Reap
  • Average yearly temperature: 34°C
  • Highest temperature: 36°C in April
  • Lowest temperature: 31°C in December
  • Precipitation: 1400 mm per year, averaging 117 mm per month
  • Driest months: 10 mm in January, 12 mm in February and 18 mm in December
  • Wettest months: 285 mm in September, 227 mm in October and 191 mm in August

Climate table Siem Reap

The climate table for Siem Reap shows the average temperatures, precipitation, and UV index per month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 32 34 35 36 35 34 33 33 32 32 32 31
Nighttime temperature (°C) 22 23 26 26 27 26 26 26 25 25 24 22
Precipitation (mm) 10 12 38 61 158 149 173 191 285 227 78 18
UV Index 8 9 9 9 8 8 7 7 7 7 7 7

Temperature per month in Siem Reap

This graph shows the average high temperatures in degrees Celsius for each month in Siem Reap

Temperature per month in Siem Reap

Precipitation per month in Siem Reap

This graph shows the average monthly precipitation in millimeters in Siem Reap.

Precipitation per month in Siem Reap

UV index per month in Siem Reap

This graph shows the average UV index per month in Siem Reap.

UV index per month in Siem Reap

Yearly temperature in Siem Reap

This graph shows the average yearly temperature in Siem Reap, measured in degrees Celsius.

Yearly temperature in Siem Reap

Yearly total precipitation in Siem Reap

This graph shows the average yearly precipitation in millimeters in Siem Reap.

Precipitation per year in Siem Reap

Weather experiences in Siem Reap

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Average weather in Siem Reap per month

Click on a month below to see in detail how the weather typically is in Siem Reap and what to expect. Based on the historical weather data of Siem Reap, you can view the average temperature, precipitation, wind, and UV index for each day of the month.