Climate normals · 1970–2000
Chiang Mai Climate
Chiang Mai is a city in Thailand (02) with a population of about 127,240. Its average annual temperature is 25.4°C (78°F), with roughly 1056 mm of rain per year.
25.4°C
Avg Temp
1056
Precip (mm/yr)
Apr
Hottest Month
Jan
Coldest Month
Chiang Mai Climate
Chiang Mai has an average annual temperature of 25.4°C (78°F) and receives about 1056 mm of precipitation per year. The warmest month is April and the coldest is January. Figures are 1970–2000 climate normals.
25.4°C
Avg Temp
1056
Precip (mm/yr)
Apr
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 21° / 69° | 3 mm |
| February | 23° / 74° | 6 mm |
| March | 26° / 79° | 22 mm |
| April | 29° / 83° | 50 mm |
| May | 28° / 82° | 160 mm |
| June | 27° / 81° | 119 mm |
| July | 27° / 80° | 149 mm |
| August | 27° / 80° | 200 mm |
| September | 27° / 80° | 184 mm |
| October | 26° / 78° | 108 mm |
| November | 24° / 74° | 45 mm |
| December | 21° / 69° | 10 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Chiang Mai
The most comfortable months to visit Chiang Mai are typically January, December and February, when temperatures are mildest and rainfall is relatively low. The hottest month is April (around 36°C high). The coldest is January (near 13°C low). August is usually the wettest month.
Where to stay near Chiang Mai
Planning a trip to Chiang Mai? Compare hotels and short-term rentals — live availability and prices.
Top-rated places to stay near Chiang Mai
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Chiang Mai?
Get climate tips and the best lodging deals for Chiang Mai by email. No spam, unsubscribe anytime.
Other cities in Thailand
Frequently Asked Questions
The most comfortable months to visit Chiang Mai are typically January, December and February, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Chiang Mai, Thailand has an average annual temperature of 25.4°C and about 1056 mm of precipitation per year. The warmest month is April and the coldest is January.
In April, the hottest month, daily highs in Chiang Mai average about 36°C (96°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.