Weather in Chiang Mai in December 2024
- December is usually the coldest month of the year in Chiang Mai;
Average weather
Average temperature in Chiang Mai in December
Going from a maximum of +90°F during the day to a minimum of +59°F during the night, the temperature in December averages around +84°F.
The average maximum temperature goes down 24% by the end of the month, compared with the beginning of the month, from +90°F to +82°F.
Is Chiang Mai warm or cold in December?
Chiang Mai is typically warm in December.
Maximum temperatures go down compared to the previous month from +86°F to +84°F. The minimum temperature also goes down from +68°F to +61°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
December is the coldest month in Chiang Mai, here is the comparison with other months:
Climate in Chiang Mai in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +86°F | +84°F | +86°F | ||||
| Min. temperature | ||||||
| +48°F | +41°F | +50°F | ||||
| Max. temperature | ||||||
| +99°F | +93°F | +97°F | ||||
| Rainfall | ||||||
| 26 mm | 11 mm | 8 mm | ||||
| Wind | ||||||
| 0 m/s | 0 m/s | 0 m/s | ||||
| Humidity | ||||||
| 72% | 69% | 65% | ||||
| Air pressure | ||||||
| 1012 HPa | 1014 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 14 | 19 | 23 | ||||
| Cloudy days | ||||||
| 14 | 11 | 7 | ||||
| Rainy days | ||||||
| 2 | 1 | 1 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as great as in November. It’s getting colder in December. From +86°F in the day, the average maximum temperature lowers to +84°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 26 mm to 11 mm. It feels drier, as humidity decreases from 72% to 69%. The average wind speed doesn’t change much during December, staying around 0 m/s. The good news is there are likely to be more sunny days in December, from 14 to 19.
January brings much the same weather, it remains great.
Wind
The average wind speed is 1 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Chiang Mai is gradually increasing during December, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last December in Chiang Mai?
Climate Change Over the Years
The climate in Chiang Mai in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1999 (+80°F) and the highest in 1997 (+90°F). The driest year was 1987 with only 0 mm of rainfall, and the wettest year was 2007 with 0 mm.
FAQ
Is December a good time to visit Chiang Mai?
Can you sunbathe in Chiang Mai in December?
Is Chiang Mai rainy in December?
Is it sunny in Chiang Mai in December?
Other cities in Thailand
Monthly weather in Chiang Mai
Source of the data
For this page, we’ve looked at the typical weather in Chiang Mai, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.