Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
Weather Guide
Siem Reap, Cambodia Average Monthly Weather
Weather score63Good annual avg
Best months: January, December, February
Across the year, average daytime temperatures are around 33°C, sunshine averages 7.2h per day, and rainfall totals about 1356mm.
Annual weather
Annual averages
Temp
33°C
Rain
1356mm
Annual total
Sun
7.2h
Weather score
63
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 224mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.3h per day, enough for a balanced month.
Map
Weather map
Compare Siem Reap, Cambodia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August32°C average high
August is on the cooler side of Siem Reap's year, useful if you prefer less intense daytime heat.
Warmest monthsMarch to April
This stretch sets the upper range for average daytime heat.
Rain
August224mm average rain
August is one of Siem Reap's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.3 hours average sun
August is one of Siem Reap's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to April and November to December
This stretch has the strongest sunshine in the monthly averages.
Weather score
August44 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.
