Average annual temperature is 25.9 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 11.0 °C
Number of sunny days: 132 days
Number of rainy days: 233 days
Look at detailed online map of Ban Ou
* Weather data for Ban Ou 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) | 30.1 | 32.9 | 35.8 | 39.0 | 39.1 | 36.6 | 36.4 | 34.5 | 33.5 | 32.4 | 32.6 | 32.5 |
| Average daytime temperature (°C) | 26.6 | 30.2 | 32.5 | 36.3 | 34.9 | 32.2 | 33.1 | 30.3 | 30.5 | 29.7 | 29.8 | 28.8 |
| Average temperature (°C) | 20.7 | 23.7 | 25.9 | 29.8 | 29.5 | 27.7 | 28.1 | 26.6 | 26.6 | 25.6 | 24.2 | 22.7 |
| Average night temperature (°C) | 14.5 | 17.8 | 20.4 | 24.5 | 25.3 | 24.4 | 24.7 | 24.0 | 23.7 | 22.5 | 19.6 | 17.7 |
| Absolute minimum temperature (°C) | 11.0 | 14.6 | 16.4 | 21.7 | 21.7 | 23.4 | 23.7 | 23.0 | 23.0 | 19.9 | 16.1 | 11.5 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 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) | 9.9 | 10.6 | 9.7 | 10.6 | 10.8 | 9.4 | 10.3 | 6.9 | 8.8 | 9.5 | 9.8 | 9.8 |
| Precipitation (mm) | 2 | 15 | 24 | 49 | 120 | 294 | 278 | 295 | 309 | 151 | 48 | 32 |
| Sunny days | 28 | 19 | 20 | 20 | 4 | 0 | 2 | 0 | 1 | 4 | 17 | 17 |
| Rainy days | 3 | 9 | 11 | 10 | 27 | 30 | 29 | 31 | 29 | 27 | 13 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Ou is at