Chiang Mai weather in December 2026

Q: How hot is it in Chiang Mai in December?

Daytime temperatures usually reach 31°C in Chiang Mai in December with high heat and humidity, falling to 21°C at night.

Q: How sunny is it in Chiang Mai in December?

There are normally 8 hours of bright sunshine each day in Chiang Mai in December - that's 73% of daylight hours.

Q: Does it ever rain in Chiang Mai in December?

There is usually 1 day with some rain in Chiang Mai in December and the average monthly rainfall is 11mm.

Expect daytime maximum temperatures of 28°C in Chiang Mai, Thailand in December based on long-term weather averages. There are 8 hours of sunshine per day on average.

28
28°C max day temperature
8
8 hours of sunshine per day
2
2 days with some rainfall
14
14°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
12
12 mm of monthly rainfall
8
8 (Very High) UV index

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The December weather guide for Thailand (Chiang Mai) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about Thailand

How hot is it in Chiang Mai in December?

Daytime temperatures usually reach 31°C in Chiang Mai in December with high heat and humidity, falling to 21°C at night.

How sunny is it in Chiang Mai in December?

There are normally 8 hours of bright sunshine each day in Chiang Mai in December - that's 73% of daylight hours.

Does it ever rain in Chiang Mai in December?

There is usually 1 day with some rain in Chiang Mai in December and the average monthly rainfall is 11mm.

Chiang Mai December sunrise & sunset times

Browse the sunrise and sunset times for Chiang Mai in December 2026. Select a month to view Chiang Mai sunrise and sunset times for the next 12 months.

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