Average annual temperature is 26.0 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 10.5 °C
Number of sunny days: 157 days
Number of rainy days: 208 days
Look at detailed online map of Ban Chom Si
* Weather data for Ban Chom Si Laos is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.0 | 34.7 | 39.0 | 40.8 | 40.4 | 37.3 | 35.3 | 34.9 | 33.1 | 32.4 | 32.5 | 33.6 |
| Average daytime temperature (°C) | 27.1 | 31.0 | 34.5 | 37.4 | 34.5 | 32.4 | 32.3 | 30.9 | 30.1 | 29.9 | 30.1 | 29.3 |
| Average temperature (°C) | 20.6 | 24.1 | 27.3 | 30.3 | 28.8 | 27.5 | 27.5 | 26.7 | 25.9 | 25.5 | 24.7 | 23.3 |
| Average night temperature (°C) | 14.5 | 17.5 | 20.9 | 24.5 | 24.7 | 24.4 | 24.1 | 23.9 | 23.3 | 22.2 | 20.0 | 18.0 |
| Absolute minimum temperature (°C) | 10.5 | 13.0 | 15.6 | 22.2 | 22.3 | 23.1 | 22.7 | 22.6 | 22.3 | 20.9 | 16.5 | 12.5 |
| 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 | 11.6 | 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) | 9.3 | 10.2 | 10.3 | 10.8 | 9.8 | 7.9 | 8.7 | 6.6 | 6.8 | 8.5 | 9.6 | 9.8 |
| Precipitation (mm) | 2 | 7 | 3 | 32 | 142 | 314 | 231 | 265 | 455 | 290 | 12 | 3 |
| Sunny days | 28 | 24 | 27 | 21 | 3 | 0 | 0 | 2 | 0 | 4 | 20 | 28 |
| Rainy days | 3 | 4 | 4 | 9 | 28 | 30 | 31 | 29 | 30 | 27 | 10 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Chom Si is at