Average annual temperature is 26.3 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 10.3 °C
Number of sunny days: 139 days
Number of rainy days: 226 days
Look at detailed online map of Khon San
* Weather data for Khon 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) | 31.6 | 34.8 | 38.2 | 39.2 | 40.7 | 37.5 | 34.7 | 35.1 | 32.7 | 31.4 | 31.0 | 32.1 |
| Average daytime temperature (°C) | 26.5 | 29.7 | 33.1 | 36.4 | 34.8 | 33.1 | 32.2 | 31.8 | 30.1 | 29.5 | 28.6 | 28.2 |
| Average temperature (°C) | 20.9 | 24.1 | 27.1 | 30.4 | 29.5 | 28.4 | 27.9 | 27.5 | 26.2 | 25.6 | 24.1 | 23.2 |
| Average night temperature (°C) | 14.9 | 18.7 | 21.3 | 25.4 | 25.2 | 25.1 | 24.6 | 24.3 | 23.5 | 22.4 | 19.7 | 18.2 |
| Absolute minimum temperature (°C) | 10.3 | 13.4 | 15.6 | 22.6 | 23.1 | 23.7 | 22.8 | 23.1 | 22.5 | 19.9 | 15.2 | 12.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.6 | 9.6 | 10.7 | 10.9 | 10.5 | 9.3 | 9.0 | 7.3 | 7.3 | 9.3 | 10.1 | 10.0 |
| Precipitation (mm) | 2 | 22 | 28 | 39 | 114 | 180 | 152 | 172 | 382 | 290 | 29 | 11 |
| Sunny days | 27 | 18 | 26 | 16 | 7 | 3 | 0 | 1 | 0 | 2 | 16 | 23 |
| Rainy days | 4 | 10 | 5 | 14 | 24 | 27 | 31 | 30 | 30 | 29 | 14 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Khon San is at