The climate in Phnom Penh during December can be summarized as hot, humid and dry.
December is in the winter in Phnom Penh and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 22°C (71°F) is normal.
|Daytime temperature||30.1°C 86.2°F|
|Nightly temperature||21.7°C 71.1°F|
|Average temperature||25.9°C 78.6°F|
|Daily sunshine||9.1 hrs|
|Avg rainfall||27 mm 1.1 ins|
|Rainy days||4 days|
|Sea temperature||27.8°C 82.1°F|
|Windspeed||9.7kph 6 mph|
On average December is the 3rd driest month of the year in Phnom Penh with around 27mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.1 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Phnom Penh in December 2023.
|Hottest month:||April||34.2°C 93.6°F|
|Driest month:||January||6mm 0.2ins|
|Coldest month:||December||29.9°C 85.8°F|
|Wettest month:||October||263mm 10.4ins|