Average annual temperature is 23.4 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 9.1 °C
Number of sunny days: 128 days
Number of rainy days: 237 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) | 28.1 | 31.5 | 34.0 | 37.0 | 37.5 | 35.2 | 34.5 | 31.4 | 31.8 | 30.1 | 28.5 | 28.4 |
| Average daytime temperature (°C) | 24.9 | 27.6 | 30.1 | 34.1 | 32.7 | 29.7 | 30.2 | 28.7 | 28.5 | 27.4 | 26.2 | 25.3 |
| Average temperature (°C) | 18.6 | 20.9 | 23.1 | 26.2 | 26.4 | 25.2 | 25.7 | 24.7 | 24.4 | 23.6 | 21.6 | 20.5 |
| Average night temperature (°C) | 12.1 | 14.4 | 16.6 | 19.3 | 21.1 | 21.8 | 22.0 | 21.7 | 21.2 | 20.5 | 17.8 | 16.3 |
| Absolute minimum temperature (°C) | 9.1 | 10.4 | 15.0 | 16.9 | 18.8 | 20.6 | 21.1 | 20.9 | 20.5 | 19.3 | 15.1 | 11.4 |
| 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 | 10.1 | 10.0 | 10.9 | 10.7 | 8.9 | 9.8 | 6.7 | 9.0 | 9.6 | 9.9 | 9.6 |
| Precipitation (mm) | 0 | 18 | 24 | 45 | 213 | 376 | 274 | 411 | 376 | 242 | 78 | 61 |
| Sunny days | 30 | 19 | 20 | 24 | 8 | 0 | 0 | 0 | 1 | 1 | 14 | 11 |
| Rainy days | 1 | 9 | 11 | 6 | 23 | 30 | 31 | 31 | 29 | 30 | 16 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mae Sai is at