Average annual temperature is 24.3 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: 5.4 °C
Number of sunny days: 146 days
Number of rainy days: 219 days
Look at detailed online map of Houa Phou
* Weather data for Houa 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) | 30.4 | 32.2 | 36.4 | 39.4 | 39.6 | 40.4 | 37.3 | 33.6 | 33.8 | 32.1 | 32.2 | 30.2 |
| Average daytime temperature (°C) | 26.3 | 29.4 | 31.5 | 35.4 | 35.0 | 31.6 | 32.4 | 29.1 | 30.7 | 29.8 | 29.2 | 27.0 |
| Average temperature (°C) | 18.2 | 21.3 | 23.8 | 27.3 | 28.5 | 26.8 | 27.3 | 25.5 | 25.9 | 24.6 | 22.2 | 20.1 |
| Average night temperature (°C) | 10.4 | 14.0 | 17.1 | 20.8 | 23.3 | 23.4 | 23.6 | 22.9 | 22.3 | 20.0 | 16.6 | 14.5 |
| Absolute minimum temperature (°C) | 5.4 | 10.5 | 13.3 | 18.5 | 21.3 | 22.4 | 22.8 | 20.4 | 19.7 | 16.5 | 12.4 | 7.8 |
| 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 | 11.1 | 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) | 9.3 | 10.2 | 9.1 | 10.0 | 10.7 | 8.1 | 9.7 | 6.4 | 9.0 | 9.8 | 9.6 | 9.2 |
| Precipitation (mm) | 0 | 30 | 36 | 50 | 110 | 459 | 328 | 577 | 245 | 88 | 36 | 25 |
| Sunny days | 27 | 20 | 15 | 21 | 9 | 0 | 0 | 0 | 4 | 13 | 17 | 20 |
| Rainy days | 4 | 8 | 16 | 9 | 22 | 30 | 31 | 31 | 26 | 18 | 13 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Houa Phou is at