Climate of Chiang Mai, Thailand
Area-weighted average across Chiang Mai. For where people actually live and travel, see the cities below.
Chiang Mai, a subdivision of Thailand, has a mild oceanic climate on average. Area-weighted monthly temperatures across the whole territory range from 19°C / 66.2°F in January to 26.7°C / 80.1°F in April, with rainfall from 3 mm / 0.1 in to 202 mm / 8 in depending on the season (1103 mm / 43.4 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 19°C66.2°F | 3 mm0.1″ | Sunny & Mild |
| February | 21.3°C70.3°F | 9 mm0.4″ | Sunny & Warm, Sunny & Mild |
| March | 24.4°C75.9°F | 20 mm0.8″ | Sunny & Warm |
| April | 26.7°C80.1°F | 57 mm2.2″ | — |
| May | 26°C78.8°F | 169 mm6.7″ | Tropical |
| June | 25.2°C77.4°F | 124 mm4.9″ | Tropical |
| July | 24.7°C76.5°F | 157 mm6.2″ | Tropical |
| August | 24.5°C76.1°F | 202 mm8″ | Tropical |
| September | 24.3°C75.7°F | 187 mm7.4″ | Tropical |
| October | 23.5°C74.3°F | 120 mm4.7″ | Tropical |
| November | 21.5°C70.7°F | 44 mm1.7″ | Sunny & Mild |
| December | 19°C66.2°F | 11 mm0.4″ | Sunny & Mild |
Frequently asked questions
What is the best time to visit Chiang Mai?
The best months to visit Chiang Mai, Thailand for sunny, dry weather are January, February, March, November, December. The warmest month is April at an area-wide average of 26.7°C / 80.1°F, and the driest is January with about 3 mm / 0.1 in of rainfall.
What is the climate of Chiang Mai?
Chiang Mai, Thailand has area-weighted monthly average temperatures ranging from 19°C / 66.2°F in January to 26.7°C / 80.1°F in April. Annual rainfall averages about 1103 mm / 43.4 in, with the wettest month being August (202 mm / 8 in) and the driest January (3 mm / 0.1 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Chiang Mai?
The hottest month in Chiang Mai is April, with an area-wide average temperature of 26.7°C / 80.1°F.
What is the coldest month in Chiang Mai?
The coldest month in Chiang Mai is January, with an area-wide average temperature of 19°C / 66.2°F.
When does it rain most in Chiang Mai?
The wettest month in Chiang Mai is August, averaging about 202 mm / 8 in of rainfall. The driest is January with about 3 mm / 0.1 in.