The climate in Sihanoukville during December can be summarized as hot, humid and a little damp.
December is in the winter in Sihanoukville and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 22°C (72°F) is normal.
|Daytime temperature||30.1°C 86.1°F|
|Nightly temperature||22°C 71.5°F|
|Average temperature||26°C 78.8°F|
|Daily sunshine||7.8 hrs|
|Avg rainfall||84 mm 3.3 ins|
|Rainy days||8 days|
|Sea temperature||28.2°C 82.8°F|
|Windspeed||9kph 6 mph|
On average December is the 3rd driest month of the year in Sihanoukville with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 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 Sihanoukville in December 2021.
|Hottest month:||April||32.9°C 91.2°F|
|Driest month:||January||39mm 1.5ins|
|Coldest month:||January||30.2°C 86.4°F|
|Wettest month:||August||516mm 20.3ins|