Average annual temperature is 25.5 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 12.2 °C
Number of sunny days: 133 days
Number of rainy days: 232 days
Look at detailed online map of Ban Lou
* Weather data for Ban Lou 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) | 31.6 | 35.6 | 37.9 | 38.5 | 39.1 | 34.8 | 33.3 | 32.9 | 33.3 | 32.5 | 34.6 | 34.3 |
| Average daytime temperature (°C) | 25.3 | 30.4 | 33.5 | 36.0 | 34.4 | 30.8 | 31.0 | 29.8 | 29.6 | 30.2 | 30.6 | 28.1 |
| Average temperature (°C) | 19.6 | 23.8 | 26.0 | 29.4 | 28.8 | 26.7 | 26.6 | 26.1 | 25.6 | 25.9 | 25.2 | 22.7 |
| Average night temperature (°C) | 15.7 | 18.8 | 20.4 | 24.5 | 24.7 | 23.9 | 23.6 | 23.6 | 23.1 | 23.1 | 21.6 | 18.9 |
| Absolute minimum temperature (°C) | 12.2 | 14.4 | 16.6 | 21.4 | 22.3 | 22.8 | 22.5 | 22.6 | 22.3 | 20.9 | 18.3 | 12.7 |
| 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 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.3 | 11.1 |
| 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) | 8.7 | 10.0 | 10.6 | 11.1 | 10.2 | 8.5 | 9.7 | 7.1 | 6.7 | 9.2 | 10.4 | 9.8 |
| Precipitation (mm) | 20 | 10 | 14 | 42 | 158 | 370 | 360 | 388 | 552 | 116 | 9 | 1 |
| Sunny days | 26 | 17 | 21 | 10 | 6 | 0 | 0 | 0 | 2 | 8 | 16 | 27 |
| Rainy days | 5 | 11 | 10 | 20 | 25 | 30 | 31 | 31 | 28 | 23 | 14 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Lou is at