Average annual temperature is 23.9 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: 5.9 °C
Number of sunny days: 152 days
Number of rainy days: 213 days
Look at detailed online map of Nam Phou
* Weather data for Nam Phou 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) | 29.7 | 31.7 | 35.9 | 38.4 | 38.6 | 39.2 | 36.7 | 33.2 | 33.3 | 31.7 | 31.6 | 30.3 |
| Average daytime temperature (°C) | 25.5 | 28.8 | 31.0 | 34.9 | 34.3 | 31.2 | 32.0 | 28.8 | 30.1 | 29.4 | 28.7 | 26.7 |
| Average temperature (°C) | 17.6 | 20.8 | 23.4 | 26.8 | 28.0 | 26.5 | 26.9 | 25.2 | 25.5 | 24.2 | 21.9 | 19.8 |
| Average night temperature (°C) | 9.9 | 13.5 | 16.7 | 20.4 | 22.9 | 23.1 | 23.2 | 22.6 | 21.9 | 19.6 | 16.2 | 14.0 |
| Absolute minimum temperature (°C) | 5.9 | 10.0 | 11.7 | 18.0 | 21.0 | 22.0 | 21.9 | 20.3 | 19.6 | 16.2 | 11.8 | 7.4 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| 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) | 9.6 | 10.2 | 9.2 | 10.1 | 10.8 | 8.4 | 9.8 | 6.7 | 9.0 | 9.9 | 9.7 | 9.3 |
| Precipitation (mm) | 1 | 22 | 28 | 55 | 89 | 449 | 284 | 492 | 323 | 100 | 51 | 16 |
| Sunny days | 27 | 23 | 17 | 19 | 11 | 0 | 1 | 0 | 3 | 13 | 18 | 20 |
| Rainy days | 4 | 5 | 14 | 11 | 20 | 30 | 30 | 31 | 27 | 18 | 12 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nam Phou is at