Average annual temperature is 24.2 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 12.7 °C
Number of sunny days: 94 days
Number of rainy days: 271 days
Look at detailed online map of Ban Chalak
* Weather data for Ban Chalak 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) | 30.9 | 33.7 | 36.3 | 35.4 | 35.5 | 31.2 | 31.3 | 31.0 | 30.1 | 29.7 | 30.8 | 31.5 |
| Average daytime temperature (°C) | 26.5 | 30.2 | 32.6 | 33.5 | 32.1 | 29.6 | 29.2 | 28.7 | 28.2 | 27.6 | 28.5 | 28.7 |
| Average temperature (°C) | 20.5 | 23.5 | 24.8 | 26.5 | 26.4 | 25.1 | 24.8 | 24.7 | 24.0 | 23.8 | 23.6 | 23.1 |
| Average night temperature (°C) | 16.4 | 18.3 | 19.0 | 22.0 | 22.6 | 22.4 | 21.8 | 22.1 | 21.3 | 21.0 | 20.0 | 19.1 |
| Absolute minimum temperature (°C) | 12.7 | 15.2 | 14.3 | 19.9 | 21.2 | 20.8 | 19.7 | 21.2 | 19.8 | 18.2 | 16.5 | 14.6 |
| 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 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| 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) | 8.5 | 10.3 | 11.1 | 10.6 | 10.8 | 10.4 | 9.5 | 9.8 | 8.4 | 8.0 | 9.9 | 10.1 |
| Precipitation (mm) | 23 | 8 | 27 | 87 | 208 | 336 | 418 | 335 | 401 | 292 | 57 | 8 |
| Sunny days | 21 | 20 | 22 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 11 | 17 |
| Rainy days | 10 | 8 | 9 | 29 | 30 | 30 | 31 | 30 | 30 | 31 | 19 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Chalak is at