Average annual temperature is 25.3 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 7.5 °C
Number of sunny days: 144 days
Number of rainy days: 221 days
Look at detailed online map of Ban Namfou
* Weather data for Ban Namfou 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) | 33.2 | 36.1 | 39.3 | 38.4 | 40.3 | 35.5 | 34.6 | 34.1 | 33.8 | 33.5 | 36.1 | 33.9 |
| Average daytime temperature (°C) | 27.9 | 31.7 | 34.1 | 35.1 | 34.8 | 30.7 | 31.5 | 29.3 | 29.9 | 31.5 | 32.5 | 29.9 |
| Average temperature (°C) | 20.1 | 23.8 | 26.4 | 28.3 | 28.6 | 26.2 | 26.6 | 25.7 | 25.7 | 25.7 | 24.6 | 22.3 |
| Average night temperature (°C) | 13.0 | 16.8 | 19.6 | 23.1 | 24.1 | 23.4 | 23.5 | 23.4 | 22.9 | 21.0 | 18.3 | 16.0 |
| Absolute minimum temperature (°C) | 7.5 | 11.1 | 13.6 | 20.7 | 22.5 | 22.4 | 22.4 | 21.9 | 21.5 | 17.6 | 12.9 | 9.0 |
| 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 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| 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) | 9.4 | 10.3 | 10.2 | 10.8 | 10.0 | 6.9 | 8.8 | 5.3 | 7.6 | 9.9 | 10.2 | 10.0 |
| Precipitation (mm) | 1 | 12 | 11 | 72 | 156 | 679 | 552 | 653 | 379 | 94 | 3 | 2 |
| Sunny days | 28 | 18 | 23 | 11 | 4 | 0 | 0 | 0 | 0 | 9 | 23 | 28 |
| Rainy days | 3 | 10 | 8 | 19 | 27 | 30 | 31 | 31 | 30 | 22 | 7 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Namfou is at