Climate at a glance · Chiang Mai
Annual mean79°day and night
Precipitation88.35 ina year
Warmest monthAprilavg high 95°
Coldest monthJanuaryavg low 63°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
88.35 in a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 81° | 86° | 93° | 95° | 91° | 88° | 86° | 86° | 86° | 84° | 84° | 82° |
| Avg low | 63° | 64° | 70° | 75° | 75° | 75° | 75° | 73° | 73° | 72° | 68° | 64° |
| Precip, in | 0.55 | 1.93 | 0.63 | 2.40 | 10.71 | 10.43 | 16.73 | 16.22 | 15.87 | 8.31 | 3.66 | 0.91 |
| Wet days | 4 | 2 | 3 | 8 | 23 | 27 | 29 | 30 | 26 | 18 | 10 | 3 |
| Sunshine | 10.6 h | 10.7 h | 10.7 h | 10.7 h | 10.3 h | 9.6 h | 8.8 h | 8.4 h | 8.9 h | 9.9 h | 10.1 h | 10.6 h |
| Humidity | 69% | 62% | 55% | 58% | 73% | 81% | 85% | 86% | 86% | 83% | 79% | 75% |
| Daylight | 11 h 08 | 11 h 32 | 12 h 02 | 12 h 34 | 13 h 01 | 13 h 14 | 13 h 08 | 12 h 45 | 12 h 15 | 11 h 43 | 11 h 15 | 11 h 01 |
| UV index (clear sky) | 7 | 9 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 8 | 7 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
18.7880°N, 98.9860°E