Annual Weather Averages in Siem Reap
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Siem Reap
High Temp: 96 °F
Low Temp: 71 °F
Mean Temp: 84 °F
Precipitation: 5.21"
Humidity: 72%
Dew Point: 73 °F
Wind: 8 mph
Pressure: 29.81 "Hg
Visibility: 6 mi
January Climate & Weather Averages in Siem Reap
High Temp: 88 °F
Low Temp: 71 °F
Mean Temp: 79 °F
Precipitation: 0.21"
Humidity: 65%
Dew Point: 67 °F
Wind: 8 mph
Pressure: 29.90 "Hg
Visibility: 6 mi
February Climate & Weather Averages in Siem Reap
High Temp: 91 °F
Low Temp: 72 °F
Mean Temp: 82 °F
Precipitation: 0.25"
Humidity: 62%
Dew Point: 67 °F
Wind: 8 mph
Pressure: 29.88 "Hg
Visibility: 6 mi
March Climate & Weather Averages in Siem Reap
High Temp: 95 °F
Low Temp: 77 °F
Mean Temp: 86 °F
Precipitation: 0.95"
Humidity: 63%
Dew Point: 72 °F
Wind: 8 mph
Pressure: 29.84 "Hg
Visibility: 6 mi
April Climate & Weather Averages in Siem Reap
High Temp: 96 °F
Low Temp: 79 °F
Mean Temp: 87 °F
Precipitation: 2.96"
Humidity: 64%
Dew Point: 73 °F
Wind: 9 mph
Pressure: 29.80 "Hg
Visibility: 6 mi
May Climate & Weather Averages in Siem Reap
High Temp: 96 °F
Low Temp: 80 °F
Mean Temp: 88 °F
Precipitation: 6.46"
Humidity: 71%
Dew Point: 76 °F
Wind: 9 mph
Pressure: 29.76 "Hg
Visibility: 6 mi
June Climate & Weather Averages in Siem Reap
High Temp: 92 °F
Low Temp: 78 °F
Mean Temp: 85 °F
Precipitation: 7.15"
Humidity: 76%
Dew Point: 76 °F
Wind: 10 mph
Pressure: 29.74 "Hg
Visibility: 6 mi
July Climate & Weather Averages in Siem Reap
High Temp: 91 °F
Low Temp: 78 °F
Mean Temp: 84 °F
Precipitation: 10.05"
Humidity: 79%
Dew Point: 76 °F
Wind: 11 mph
Pressure: 29.73 "Hg
Visibility: 6 mi
August Climate & Weather Averages in Siem Reap
High Temp: 90 °F
Low Temp: 78 °F
Mean Temp: 84 °F
Precipitation: 10.24"
Humidity: 80%
Dew Point: 76 °F
Wind: 10 mph
Pressure: 29.74 "Hg
Visibility: 6 mi
September Climate & Weather Averages in Siem Reap
High Temp: 88 °F
Low Temp: 78 °F
Mean Temp: 83 °F
Precipitation: 12.98"
Humidity: 83%
Dew Point: 77 °F
Wind: 8 mph
Pressure: 29.77 "Hg
Visibility: 6 mi
October Climate & Weather Averages in Siem Reap
High Temp: 88 °F
Low Temp: 77 °F
Mean Temp: 83 °F
Precipitation: 7.46"
Humidity: 81%
Dew Point: 76 °F
Wind: 7 mph
Pressure: 29.82 "Hg
Visibility: 6 mi
November Climate & Weather Averages in Siem Reap
High Temp: 88 °F
Low Temp: 76 °F
Mean Temp: 82 °F
Precipitation: 3.28"
Humidity: 77%
Dew Point: 74 °F
Wind: 7 mph
Pressure: 29.85 "Hg
Visibility: 6 mi
December Climate & Weather Averages in Siem Reap
High Temp: 87 °F
Low Temp: 71 °F
Mean Temp: 79 °F
Precipitation: 0.52"
Humidity: 69%
Dew Point: 68 °F
Wind: 7 mph
Pressure: 29.90 "Hg
Visibility: 6 mi