Average annual temperature is 18.0 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: 2.8 °C
Number of sunny days: 109 days
Number of rainy days: 256 days
Look at detailed online map of Ban Vanhônam
* Weather data for Ban Vanhônam 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) | 20.6 | 24.5 | 28.2 | 31.8 | 31.9 | 31.6 | 30.0 | 26.7 | 27.4 | 26.2 | 24.8 | 22.5 |
| Average daytime temperature (°C) | 16.5 | 20.4 | 23.5 | 28.8 | 27.5 | 25.9 | 26.3 | 24.3 | 25.1 | 23.2 | 20.5 | 18.6 |
| Average temperature (°C) | 10.5 | 14.3 | 17.0 | 21.4 | 21.6 | 20.9 | 21.3 | 20.2 | 20.4 | 18.7 | 15.6 | 13.6 |
| Average night temperature (°C) | 5.3 | 9.0 | 11.7 | 15.5 | 16.8 | 17.7 | 17.9 | 17.7 | 17.0 | 15.2 | 11.8 | 9.7 |
| Absolute minimum temperature (°C) | 2.8 | 7.1 | 8.9 | 12.3 | 13.3 | 16.7 | 16.8 | 16.8 | 16.1 | 13.4 | 8.3 | 4.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.3 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.8 | 9.2 | 9.2 | 10.4 | 10.3 | 8.6 | 9.8 | 6.4 | 10.4 | 9.5 | 9.0 | 8.3 |
| Precipitation (mm) | 3 | 45 | 24 | 34 | 219 | 378 | 313 | 492 | 213 | 204 | 110 | 96 |
| Sunny days | 23 | 16 | 11 | 21 | 9 | 0 | 1 | 0 | 0 | 6 | 14 | 8 |
| Rainy days | 8 | 12 | 20 | 9 | 22 | 30 | 30 | 31 | 30 | 25 | 16 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Vanhônam is at