Average annual temperature is 24.4 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: 9.8 °C
Number of sunny days: 139 days
Number of rainy days: 226 days
Look at detailed online map of Mae Sai
* Weather data for Mae Sai Thailand is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.6 | 32.6 | 35.0 | 38.5 | 39.2 | 36.7 | 35.8 | 32.6 | 33.0 | 31.6 | 30.0 | 29.0 |
| Average daytime temperature (°C) | 26.3 | 28.9 | 31.4 | 34.8 | 34.0 | 30.9 | 31.4 | 29.8 | 29.8 | 28.9 | 27.8 | 26.7 |
| Average temperature (°C) | 19.3 | 21.7 | 23.9 | 26.8 | 27.7 | 26.5 | 26.9 | 25.9 | 25.6 | 24.8 | 22.5 | 21.2 |
| Average night temperature (°C) | 12.3 | 14.5 | 17.1 | 19.5 | 22.3 | 23.2 | 23.3 | 23.0 | 22.4 | 21.5 | 18.3 | 16.5 |
| Absolute minimum temperature (°C) | 9.8 | 10.7 | 15.4 | 16.2 | 20.0 | 22.5 | 22.5 | 22.2 | 21.6 | 20.4 | 14.9 | 10.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 10.2 | 10.0 | 9.5 | 10.7 | 10.7 | 9.1 | 9.9 | 6.8 | 8.9 | 9.5 | 9.9 | 9.5 |
| Precipitation (mm) | 0 | 13 | 9 | 37 | 198 | 328 | 308 | 478 | 437 | 262 | 118 | 60 |
| Sunny days | 30 | 23 | 23 | 24 | 11 | 0 | 0 | 0 | 1 | 0 | 13 | 14 |
| Rainy days | 1 | 5 | 8 | 6 | 20 | 30 | 31 | 31 | 29 | 31 | 17 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mae Sai is at