Average annual temperature is 25.2 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 11.5 °C
Number of sunny days: 126 days
Number of rainy days: 239 days
Look at detailed online map of Ban San Wilai
* Weather data for Ban San Wilai 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) | 29.1 | 33.0 | 36.2 | 38.2 | 38.1 | 36.9 | 34.8 | 34.7 | 33.3 | 31.6 | 30.7 | 30.3 |
| Average daytime temperature (°C) | 26.6 | 29.9 | 32.5 | 35.8 | 34.1 | 32.4 | 32.6 | 31.6 | 30.0 | 29.0 | 28.5 | 28.0 |
| Average temperature (°C) | 20.3 | 22.9 | 25.4 | 28.6 | 28.1 | 27.2 | 27.1 | 26.5 | 25.6 | 24.8 | 23.6 | 22.7 |
| Average night temperature (°C) | 13.7 | 16.4 | 19.0 | 21.8 | 23.4 | 23.2 | 23.3 | 22.9 | 22.8 | 21.8 | 19.2 | 17.9 |
| Absolute minimum temperature (°C) | 11.5 | 13.7 | 16.6 | 18.4 | 21.4 | 22.0 | 21.4 | 21.5 | 22.0 | 20.2 | 16.0 | 12.2 |
| 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 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| 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) | 10.2 | 10.5 | 10.4 | 11.1 | 10.9 | 9.2 | 9.7 | 8.4 | 7.7 | 8.7 | 10.1 | 10.1 |
| Precipitation (mm) | 1 | 22 | 25 | 23 | 96 | 165 | 178 | 175 | 365 | 192 | 42 | 15 |
| Sunny days | 27 | 20 | 23 | 21 | 4 | 1 | 0 | 0 | 0 | 1 | 13 | 16 |
| Rainy days | 4 | 8 | 8 | 9 | 27 | 29 | 31 | 31 | 30 | 30 | 17 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban San Wilai is at