Chiang Mai weather in December
Chiang Mai in December averages 23°C (74°F), 14 mm of rain and 7.8 hours of sun a day. It is one of the driest months of the year here.
Of the twelve months in Chiang Mai, December is the second coldest, the third driest and the fifth sunniest.
- Average temp
- 23°C (74°F)
17–29°C · 63–85°F
- Rainfall
- 14 mm
Not much rain
- Sunshine
- 7.8 h
hours per day
What is Chiang Mai like in December?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Chiang Mai in December?
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A layer for the evening
The day swings about 12°C between its low and its high.
Comfortable walking shoes you can rinse
Dry warm weather is walking weather, and dust gets into everything.
December compared with November and January
December in Chiang Mai is 2.4°C cooler than November and 25 mm drier than it, which averages 26°C (78°F).
December in Chiang Mai is about the same temperature as January and about as wet as it, which averages 23°C (73°F).
Daylight in Chiang Mai in December
On 15 December the sun is up for 11 hours 1 minute in Chiang Mai, rising about 06:48 and setting about 17:49 local time.
No month in Chiang Mai has less daylight than December.
Where to stay in Chiang Mai
Dates are a starting point for December.
Travel guides for Chiang Mai
What to read before you book.
Chiang Mai weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 23°C / 73°F | 8 mm |
| February | 25°C / 77°F | 9 mm |
| March | 28°C / 82°F | 22 mm |
| April | 30°C / 86°F | 56 mm |
| May | 29°C / 85°F | 164 mm |
| June | 29°C / 84°F | 111 mm |
| July | 28°C / 83°F | 153 mm |
| August | 28°C / 82°F | 234 mm |
| September | 28°C / 82°F | 218 mm |
| October | 27°C / 81°F | 118 mm |
| November | 26°C / 78°F | 39 mm |
| December | 23°C / 74°F | 14 mm |
Check another month
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FAQs about Chiang Mai in December
December climate averages for Chiang Mai, 1991–2020.
Chiang Mai averages 23°C (74°F) in December, ranging from about 17°C (63°F) at night to 29°C (85°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. December sees only about 14 mm, so rain is unlikely to affect your plans.
They are about the same. December averages 23°C (74°F) and January 23°C (73°F), so temperature alone will not decide between them.
December is 2.4°C cooler than November, and 25 mm drier.
Yes. December falls inside the most comfortable stretch of the year here, October to March, on temperature and rainfall together.
About 7.8 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 11 hours 1 minute of daylight in mid-December, the least of any month in Chiang Mai.
On 15 December, sunrise is about 06:48 and sunset about 17:49 local time. Both shift across the month.
