Thailand
Chiang Mai in December: weather & travel advice
This month's data profile
Strong month under the current formula
Chiang Mai in December is climatically well suited to city breaks, family holidays and active holidays and hiking. The average daily high is around 25 °C. With about 2 rainy days it is very dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
92/100 · #1
Warmth
#12
Dryness
#3
Sun
#10
Published best categories: Overall, City break, Active, Family
Chiang Mai · DecemberPhoto: Philip Nalangan · CC BY 4.0Climate facts
- Average high
- 25 °C
- Average low
- 14 °C
- Rainy days (est.)
- 2 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 76 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| November | 26 | 17 | 6 | 38 | 5.7 | 82 | 0.2 | 86 |
| December (selected) | 25 | 14 | 2 | 13 | 5.5 | 76 | 0.3 | 92 |
| January | 26 | 14 | 2 | 11 | 6.1 | 67 | 0.3 | 92 |
How do the previous and next months compare?
Baseline: December (92/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| November | -6 | +1 °C | +2.5 °C | +3.6 | +24.8 mm | +0.2 h | +6.2 % | ±0 m/s |
| January | ±0 | +1.5 °C | -0.4 °C | -0.3 | -2 mm | +0.6 h | -9.3 % | ±0 m/s |
All twelve months in context
Find a place to stay
Where to stay in Chiang Mai
Compare available stays, prices and cancellation terms for Chiang Mai on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Chiang Mai in December?
The average daily high is around 25 °C, with an average daily low of about 14 °C.
Does it rain a lot in Chiang Mai in December?
The curated estimate is about 2 rainy days per month, not a directly measured long-term average. Total precipitation averages around 13 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Chiang Mai?
By the climate score, January, February, November and December are the strongest months for Chiang Mai. December is one of them.