Average annual temperature is 25.5 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 7.9 °C
Number of sunny days: 131 days
Number of rainy days: 234 days
Look at detailed online map of Ban O
* Weather data for Ban O 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 | 33.7 | 37.9 | 37.9 | 39.9 | 34.6 | 33.6 | 33.3 | 33.7 | 32.8 | 33.4 | 32.9 |
| Average daytime temperature (°C) | 26.4 | 30.3 | 34.0 | 34.7 | 34.6 | 30.5 | 30.9 | 29.4 | 29.7 | 30.5 | 30.2 | 28.4 |
| Average temperature (°C) | 19.6 | 23.6 | 26.6 | 29.1 | 29.6 | 27.0 | 27.0 | 26.1 | 26.2 | 25.6 | 23.7 | 21.5 |
| Average night temperature (°C) | 13.4 | 17.6 | 19.9 | 24.2 | 25.5 | 24.3 | 24.1 | 23.7 | 23.6 | 21.6 | 18.2 | 15.8 |
| Absolute minimum temperature (°C) | 7.9 | 10.7 | 13.6 | 19.9 | 22.5 | 23.4 | 22.9 | 22.8 | 22.5 | 17.9 | 12.6 | 9.4 |
| 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 | 10.1 | 10.8 | 10.9 | 10.2 | 7.2 | 8.8 | 6.3 | 6.9 | 9.8 | 10.2 | 9.9 |
| Precipitation (mm) | 16 | 23 | 42 | 84 | 151 | 520 | 475 | 729 | 498 | 103 | 2 | 2 |
| Sunny days | 26 | 18 | 20 | 9 | 2 | 0 | 0 | 1 | 1 | 11 | 20 | 23 |
| Rainy days | 5 | 10 | 11 | 21 | 29 | 30 | 31 | 30 | 29 | 20 | 10 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban O is at