Average annual temperature is 26.9 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 13.6 °C
Number of sunny days: 112 days
Number of rainy days: 253 days
Look at detailed online map of Ban Khun San
* Weather data for Ban Khun San 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) | 31.0 | 34.4 | 37.3 | 38.5 | 38.1 | 34.2 | 33.7 | 34.4 | 31.6 | 32.0 | 32.5 | 33.2 |
| Average daytime temperature (°C) | 27.0 | 31.7 | 33.9 | 35.7 | 33.4 | 32.4 | 31.8 | 32.0 | 29.8 | 30.3 | 30.3 | 30.2 |
| Average temperature (°C) | 22.0 | 26.2 | 28.1 | 30.5 | 28.9 | 28.0 | 27.5 | 27.6 | 26.2 | 26.4 | 25.8 | 25.2 |
| Average night temperature (°C) | 17.3 | 20.9 | 22.7 | 26.0 | 25.6 | 25.1 | 24.8 | 24.9 | 23.8 | 23.4 | 21.9 | 20.7 |
| Absolute minimum temperature (°C) | 13.6 | 16.9 | 18.9 | 23.5 | 23.8 | 23.9 | 22.8 | 24.0 | 22.8 | 22.1 | 18.5 | 15.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.8 | 10.5 | 10.9 | 10.5 | 9.8 | 9.5 | 8.5 | 8.5 | 6.7 | 9.0 | 9.8 | 9.9 |
| Precipitation (mm) | 35 | 7 | 21 | 91 | 196 | 188 | 274 | 163 | 283 | 232 | 25 | 10 |
| Sunny days | 23 | 18 | 23 | 5 | 2 | 0 | 1 | 0 | 0 | 4 | 15 | 21 |
| Rainy days | 8 | 10 | 8 | 25 | 29 | 30 | 30 | 31 | 30 | 27 | 15 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Khun San is at