Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Phnom Penh, Cambodia in December
Weather score82Very good
Very good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 8.4h per day, so bright days are a strong part of the month. Rainfall averages 27mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
30°C
Rain
27mm
Sun
8.4h
Weather score
82
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 27mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.4h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Phnom Penh, 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 May
This stretch sets the upper range for average daytime heat.
Rain
December27mm average rain
December is one of Phnom Penh's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December8.4 hours average sun
December is one of Phnom Penh's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to April and December
This stretch has the strongest sunshine in the monthly averages.
Weather score
December82 weather score
December is one of Phnom Penh'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.
