December is an ideal time to visit Chiang Mai if you're seeking a destination with brilliant weather. Anticipate average maximum temperatures of +84°F and about 18 sunny days, ensuring you'll have ample opportunities to soak up the sunshine. It's worth noting, though, that there may be some rainfall, with approximately 11 mm of precipitation over an average of 4 rainy days. So, prepare your sunglasses, a beach towel, and great walking shoes, as it's most likely going to be amazing weather. Search flightsin one click on Avionero.
Good to know:
December is usually the coldest month of the year in Chiang Mai;
Average weather
☀️
+84°F
Avg. max. temperature
+41°F
Min.
+93°F
Max.
11 mm
Total precipitation
70%
Avg. humidity
0 m/s
Avg. wind
18 ☀️
Sunny Days
9 ⛅️
Cloudy
4 🌦
Rainy
Our opinion: Chiang Mai has great weather in December.
Average temperature in Chiang Mai in December
Here are the expected maximum, average and minimum temperatures in Chiang Mai for December based on the historical data.
Last Year
Historical Data
Going from a maximum of +91°F during the day to a minimum of +57°F during the night, the temperature in December averages around +88°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +88°F to +88°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 +63°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
Chiang Mai weather looks like this, on average, in December and the surrounding months.
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
25 mm
11 mm
8 mm
Wind
0 m/s
0 m/s
0 m/s
Humidity
73%
70%
66%
Air pressure
1013 HPa
1014 HPa
1013 HPa
Sunny days
12
18
22
Cloudy days
9
9
6
Rainy days
8
4
3
Snowy days
0
0
0
December often has better weather than 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 25 mm to 11 mm.It feels drier, as humidity decreases from 73% to 70%.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 12 to 18.
January brings much the same weather, it remains great.
Wind speed in Chiang Mai in December based on historical data.
Last Year
Historical Data
The average wind speed is 1 m/s getting up to 1 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
Amount of rainfall in mm during December in Chiang Mai based on historical data.
Last Year
Historical Data
Typically, there is a 3% chance of rain on an average day in December, with total rainfall of approximately 3 mm. The maximum amount of rainfall per day is around 2 mm, which is considered light rain.Chiang Mai is amazing in December with as little as 1 rainy days on average, so plan adventures in the great outdoors.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Chiang Mai wettest month is August, where a typical day has a 71% chance of precipitation and 219 mm of rainfall per day. February, on the other hand, is the driest month with a mere 7% chance of precipitation and 4 mm of rainfall per day.
How was the weather last December in Chiang Mai?
This is the weather in Chiang Mai in December 2023:
1 December
☁️
+88°F
2 December
☁️
+90°F
3 December
☀️
+90°F
4 December
☀️
+92°F
5 December
☀️
+90°F
6 December
☀️
+91°F
7 December
☁️
+89°F
8 December
☁️
+83°F
9 December
☀️
+88°F
10 December
☀️
+91°F
11 December
☀️
+92°F
12 December
☀️
+90°F
13 December
☀️
+90°F
14 December
☀️
+89°F
15 December
☀️
+90°F
16 December
☀️
+90°F
17 December
☀️
+91°F
18 December
☀️
+88°F
19 December
☀️
+88°F
20 December
☀️
+88°F
21 December
☁️
+87°F
22 December
☁️
+83°F
23 December
☀️
+81°F
24 December
☀️
+82°F
25 December
☀️
+80°F
26 December
☀️
+84°F
27 December
☀️
+84°F
28 December
☀️
+86°F
29 December
☀️
+88°F
30 December
☀️
+87°F
31 December
☀️
+88°F
In December 2023 Chiang Mai had 25 sunny days, 6 cloudy days, and 0 rainy days. The average maximum temperature was +88°F, with an absolute maximum of +91°F and a minimum of +81°F. The average humidity was 81%, with a maximum of 100% and a minimum of 47%. The average wind speed was 1 m/s, with a maximum of 4 m/s and a minimum of 0 m/s.
Are you planning a trip in December?
Climate Change Over the Years
This is how Chiang Mai climate has changed over the last 43 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 2011 (+88°F) and the highest in 1998 (+93°F). The driest year was 1998 with only 604 mm of rainfall, and the wettest year was 1994 with 1462 mm.
FAQ
Frequently asked questions about the weather in Chiang Mai in December:
Is December a good time to visit Chiang Mai?
Yes, December is a great time to go to Chiang Mai, the weather couldn’t be better. Be ready to get outside, explore and enjoy. Check what other months that are a good time to visit Chiang Mai.
Can you sunbathe in Chiang Mai in December?
December is warm in Chiang Mai. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Chiang Mai rainy in December?
Chiang Mai is usually dry in December. Plan your packing around outdoor activities and exploring.
Is it sunny in Chiang Mai in December?
The amount of sunny days in Chiang Mai during December varies; prepare for a mix of clouds and sun.
Other cities in Thailand
Check out the weather for other cities in Thailand.
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, 2023.
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.