Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Siem Reap, Cambodia in December
Weather score88Excellent
Excellent for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 8.6h per day, so bright days are a strong part of the month. Rainfall averages 7mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
30°C
Rain
7mm
Sun
8.6h
Weather score
88
Excellent
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 7mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.6h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Siem Reap, Cambodia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December30°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMarch to April
This stretch sets the upper range for average daytime heat.
Rain
December7mm average rain
December is one of Siem Reap's driest months, making outdoor days easier to plan than in wetter parts of the year.
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
December8.6 hours average sun
December is one of Siem Reap's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to April and November to December
This stretch has the strongest sunshine in the monthly averages.
Weather score
December88 weather score
December is one of Siem Reap's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.
