The climate in Chiang Mai during December can be summarized as warm, humid and dry.
December is in the winter in Chiang Mai and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 14°C (57°F) is normal.
|Daytime temperature||27.7°C 81.8°F|
|Nightly temperature||14°C 57.1°F|
|Average temperature||20.8°C 69.4°F|
|Daily sunshine||8.9 hrs|
|Avg rainfall||12 mm 0.5 ins|
|Rainy days||2 days|
|Sea temperature||26.2°C 79.1°F|
|Windspeed||2.2kph 1 mph|
On average December is the 3rd driest month of the year in Chiang Mai with around 12mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 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 Chiang Mai in December 2023.
|Hottest month:||April||35.2°C 95.4°F|
|Driest month:||February||6mm 0.2ins|
|Coldest month:||January||28°C 82.4°F|
|Wettest month:||August||226mm 8.9ins|