Average annual temperature is 26.4 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 11.7 °C
Number of sunny days: 159 days
Number of rainy days: 206 days
Look at detailed online map of Ban Mae Sai
* Weather data for Ban 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) | 29.3 | 32.7 | 36.9 | 38.8 | 40.1 | 37.6 | 36.2 | 34.7 | 32.8 | 32.0 | 32.2 | 32.9 |
| Average daytime temperature (°C) | 27.7 | 31.0 | 33.6 | 36.8 | 35.3 | 33.5 | 32.8 | 31.0 | 29.8 | 30.0 | 30.8 | 30.5 |
| Average temperature (°C) | 21.2 | 24.4 | 27.0 | 30.4 | 29.4 | 28.2 | 27.8 | 26.7 | 26.1 | 25.8 | 25.2 | 24.4 |
| Average night temperature (°C) | 15.1 | 18.3 | 20.9 | 24.6 | 24.7 | 24.7 | 24.1 | 23.7 | 23.3 | 22.5 | 20.7 | 19.3 |
| Absolute minimum temperature (°C) | 11.7 | 15.3 | 16.4 | 21.5 | 22.7 | 23.5 | 23.0 | 22.4 | 22.3 | 21.4 | 16.2 | 15.5 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.1 | 10.6 | 10.3 | 11.0 | 10.6 | 9.4 | 9.9 | 7.5 | 8.1 | 9.0 | 9.9 | 9.9 |
| Precipitation (mm) | 2 | 1 | 13 | 24 | 171 | 213 | 151 | 234 | 473 | 217 | 23 | 13 |
| Sunny days | 29 | 25 | 25 | 23 | 7 | 1 | 4 | 2 | 0 | 1 | 18 | 24 |
| Rainy days | 2 | 3 | 6 | 7 | 24 | 29 | 27 | 29 | 30 | 30 | 12 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Mae Sai is at