Best time to visit · Thailand
Best time to visit Chiang Mai
Chiang Mai averages 16 just-right days a year; January is best. Most other days miss by being too hot.
(70 to 80°F, dry, sunny)
(45 to 65°F, dry)
(80 to 92°F, bright)
Chiang Mai weather by month
Bars: share of each month's days that are just right (number = days). Below: average daily high. Outlined bars are the best months.
- Just right 16
- Too cool 0
- Too hot 301
- Too muggy 44
- Too gray 3
When to visit Chiang Mai
The best time to visit Chiang Mai for comfortable weather is January, when 25% of days are just right. February, March, April, May, June, July, August, September, October and November are mostly too hot, with average highs of 82 to 93°F (34°C).
Climate table
| Month | Avg high | Dew point | Cloud cover | Just-right days |
|---|---|---|---|---|
| January | 81°F (27°C) | 58°F (14°C) | 22% | 8 |
| February | 86°F (30°C) | 56°F (13°C) | 16% | 1 |
| March | 91°F (33°C) | 60°F (16°C) | 19% | 0 |
| April | 93°F (34°C) | 65°F (18°C) | 30% | 0 |
| May | 89°F (32°C) | 70°F (21°C) | 78% | 0 |
| June | 86°F (30°C) | 71°F (22°C) | 100% | 0 |
| July | 84°F (29°C) | 71°F (22°C) | 100% | 0 |
| August | 84°F (29°C) | 71°F (22°C) | 100% | 0 |
| September | 83°F (28°C) | 71°F (22°C) | 98% | 0 |
| October | 83°F (28°C) | 70°F (21°C) | 61% | 0 |
| November | 82°F (28°C) | 65°F (18°C) | 40% | 1 |
| December | 80°F (27°C) | 61°F (16°C) | 29% | 6 |
How Chiang Mai compares
Chiang Mai gets 16 just-right days a year with our default window; the median big US city gets 33. It ranks #1 of 3 Thailand places on Goldilocks Map. On muggy days: 44. On gray days: 3.
See every Thailand city ranked →
Places with a similar climate
Nearby
Chiang Mai averages 16 just-right days a year (70 to 80°F highs, dry, mostly sunny), according to Goldilocks Map: https://goldilocksmap.com/thailand/chiang-mai/Set your own perfect weather on the map →
Numbers are expected days in a typical year from 1991 to 2020 climate normals (TerraClimate; cloud cover from CHELSA), on a grid about 35 km wide. Checked against 10 years of daily records at 28 NOAA weather stations: typical error about 10 days a year. How it works. Updated 2026-10-07.