Average annual temperature is 25.9 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 12.9 °C
Number of sunny days: 136 days
Number of rainy days: 229 days
Look at detailed online map of Ban San Wiang Mai
* Weather data for Ban San Wiang Mai 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 | 32.4 | 36.5 | 38.2 | 39.4 | 36.7 | 35.3 | 32.5 | 32.7 | 31.3 | 30.2 | 30.6 |
| Average daytime temperature (°C) | 26.6 | 29.8 | 32.8 | 36.2 | 34.7 | 32.0 | 32.2 | 30.6 | 29.7 | 28.6 | 27.7 | 27.4 |
| Average temperature (°C) | 21.0 | 23.4 | 26.1 | 29.4 | 29.3 | 27.7 | 27.9 | 26.8 | 26.3 | 25.5 | 24.1 | 23.2 |
| Average night temperature (°C) | 15.9 | 18.1 | 20.4 | 23.1 | 24.8 | 24.4 | 24.3 | 23.9 | 23.6 | 22.9 | 20.8 | 19.3 |
| Absolute minimum temperature (°C) | 13.6 | 15.9 | 18.3 | 20.3 | 22.6 | 22.8 | 23.1 | 22.4 | 22.6 | 21.5 | 17.4 | 12.9 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.1 | 10.4 | 10.4 | 11.1 | 10.6 | 9.7 | 10.0 | 7.6 | 8.4 | 9.4 | 10.0 | 10.0 |
| Precipitation (mm) | 1 | 7 | 8 | 40 | 174 | 244 | 190 | 268 | 335 | 254 | 60 | 9 |
| Sunny days | 27 | 19 | 21 | 23 | 5 | 0 | 0 | 1 | 1 | 2 | 18 | 19 |
| Rainy days | 4 | 9 | 10 | 7 | 26 | 30 | 31 | 30 | 29 | 29 | 12 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban San Wiang Mai is at