Temperatures in December
It's hot in December in Chiang Mai with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 31°C. At night, you can expect temperatures between 16°C and 20°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Chiang Mai in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Chiang Mai with hot temperatures, averaging around 31°C during the day and nights close to 20°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-December
By mid-December, the average daytime temperature drops to around 30°C, with nights close to 18°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
Temperatures vary between day and night, so it’s smart to wear layers.
End of December
By the end of December, the average daytime temperature in Chiang Mai will be around 30°C, with nights close to 18°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in December
In December, there is an average of 15 mm of precipitation, spread over 2 days. The wind speed is around 3 Bft, mostly coming from the South.
The average chance of precipitation is only 6% in December.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Chiang Mai. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Chiang Mai in December |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 9°C | |
 High Temp |
31°C | 11°C | |
| Low Temp |
28°C | 8°C | |
 Total Precipitation |
15 mm | 67 mm | |
| Rainy Days |
2 days | 10 days | |
November
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is December a good time to visit Chiang Mai?
December is a fantastic month to be in Chiang Mai for sunny weather. You’ll get high temperatures and little chance of rain this month.
The typhoon season in Chiang Mai runs from June to November.
Temperature records for Chiang Mai in December
With 34°C, Chiang Mai hit the highest temperature in the last 10 years in December 2018. The lowest daytime temperature in this month was 19°C in 2017. The extreme night temperatures ranged from a low of 8°C to a high of 23°C.
Check out the climate of Chiang Mai for all months and discover the best travel time
Curious about the climate in other parts of Thailand? Check out the weather and climate in places like Bangkok, Phuket, Krabi, or have a look at other destinations in Thailand.
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Daily Temperature in December in Chiang Mai
This chart shows the average daily temperatures, both day and night, for each day in December in Chiang Mai, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Chiang Mai
The chart below shows the average daily precipitation in December for Chiang Mai, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 2 days of rain in Chiang Mai.
Daily UV Index in December in Chiang Mai
This chart shows the average daily UV index in December in Chiang Mai, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Chiang Mai Over the Years
This chart shows the average temperature in December in Chiang Mai, measured in degrees Celsius, over the past years.
Total Precipitation in December in Chiang Mai Over the Years
This chart shows the average precipitation in December in Chiang Mai, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Chiang Mai
Click on a specific day in December for detailed info on the typical weather on that day in Chiang Mai. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Chiang Mai
Have you been to Chiang Mai in December?
Share your weather experience in December in Chiang Mai.
Average Weather in Chiang Mai by Month
Click on a month below to see detailed weather info for Chiang Mai. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Chiang Mai for all months at once
