Chiang Mai weather
Our guide to the weather in Chiang Mai during December
We've looked at the most up-to-date weather data for Chiang Mai, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Chiang Mai weather in December.
How warm is it in Chiang Mai during December?
December is typically the coolest month in Chiang Mai, although we use the term cool in a relative sense! Expect heat, with the temperature hitting about 29℃ during the day, falling away to a balmy 15℃ at night.The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in Chiang Mai during December?
The answer is no. Chiang Mai is typically bone dry in December. You're not likely to see a thunderstorm during your trip.
Is it windy in Chiang Mai during December?
No - there is very light air movement in December so conditions should be calm with light breezes at times.
Weather in Chiang Mai
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December