Average annual temperature is 19.6 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: 2.8 °C
Number of sunny days: 107 days
Number of rainy days: 258 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) | 24.0 | 28.5 | 29.4 | 31.7 | 32.0 | 30.0 | 29.1 | 28.1 | 27.7 | 27.3 | 26.4 | 26.1 |
| Average daytime temperature (°C) | 20.2 | 24.3 | 26.0 | 29.1 | 28.0 | 26.3 | 26.8 | 25.0 | 24.8 | 24.4 | 23.4 | 22.5 |
| Average temperature (°C) | 13.7 | 17.3 | 19.6 | 22.9 | 22.6 | 21.7 | 22.1 | 21.1 | 20.8 | 19.6 | 17.6 | 15.9 |
| Average night temperature (°C) | 8.1 | 11.8 | 14.6 | 18.7 | 19.0 | 19.1 | 19.2 | 18.8 | 18.3 | 16.4 | 13.5 | 11.1 |
| Absolute minimum temperature (°C) | 3.0 | 5.6 | 9.2 | 15.7 | 16.8 | 18.2 | 18.2 | 16.9 | 16.8 | 13.4 | 9.5 | 2.8 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.6 | 10.4 | 10.3 | 11.1 | 10.7 | 7.6 | 10.2 | 6.3 | 7.4 | 9.2 | 10.0 | 9.7 |
| Precipitation (mm) | 5 | 21 | 25 | 77 | 123 | 286 | 156 | 408 | 223 | 109 | 30 | 13 |
| Sunny days | 24 | 15 | 13 | 6 | 0 | 0 | 0 | 1 | 1 | 9 | 18 | 20 |
| Rainy days | 7 | 13 | 18 | 24 | 31 | 30 | 31 | 30 | 29 | 22 | 12 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Lou is at