Average annual temperature is 24.8 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 9.7 °C
Number of sunny days: 149 days
Number of rainy days: 216 days
Look at detailed online map of Amphoe Mae Sai
* Weather data for Amphoe 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) | 29.5 | 33.1 | 34.8 | 39.4 | 39.2 | 38.3 | 35.5 | 33.3 | 33.2 | 31.9 | 30.5 | 29.4 |
| Average daytime temperature (°C) | 26.6 | 29.3 | 31.7 | 35.4 | 34.5 | 31.5 | 31.7 | 30.1 | 30.2 | 29.2 | 28.1 | 27.1 |
| Average temperature (°C) | 19.6 | 21.9 | 24.0 | 26.9 | 28.2 | 27.0 | 27.3 | 26.3 | 26.1 | 25.2 | 22.9 | 21.6 |
| Average night temperature (°C) | 12.5 | 14.4 | 17.1 | 19.6 | 22.8 | 23.7 | 23.7 | 23.3 | 22.9 | 22.0 | 18.5 | 16.7 |
| Absolute minimum temperature (°C) | 9.7 | 11.1 | 15.0 | 16.0 | 20.7 | 22.7 | 22.9 | 22.6 | 22.1 | 20.9 | 14.6 | 11.3 |
| 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 | 9.9 | 9.3 | 10.5 | 10.6 | 9.1 | 9.8 | 6.8 | 8.7 | 9.3 | 9.8 | 9.5 |
| Precipitation (mm) | 0 | 15 | 11 | 34 | 173 | 373 | 306 | 429 | 450 | 285 | 99 | 56 |
| Sunny days | 30 | 23 | 25 | 26 | 10 | 0 | 1 | 0 | 3 | 1 | 15 | 15 |
| Rainy days | 1 | 5 | 6 | 4 | 21 | 30 | 30 | 31 | 27 | 30 | 15 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Amphoe Mae Sai is at