Climate at a glance · Chiang Mai
Annual mean26°day and night
Precipitation2244 mma year
Warmest monthAprilavg high 35°
Coldest monthJanuaryavg low 17°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
2244 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 27° | 30° | 34° | 35° | 33° | 31° | 30° | 30° | 30° | 29° | 29° | 28° |
| Avg low | 17° | 18° | 21° | 24° | 24° | 24° | 24° | 23° | 23° | 22° | 20° | 18° |
| Precip, mm | 14 | 49 | 16 | 61 | 272 | 265 | 425 | 412 | 403 | 211 | 93 | 23 |
| 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