Average annual temperature is 24.8 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 12.3 °C
Number of sunny days: 109 days
Number of rainy days: 256 days
Look at detailed online map of Ban Houaysouan
* Weather data for Ban Houaysouan 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) | 31.5 | 35.1 | 37.4 | 38.1 | 38.1 | 34.7 | 34.0 | 34.2 | 33.6 | 32.9 | 33.1 | 33.5 |
| Average daytime temperature (°C) | 23.5 | 28.5 | 31.5 | 34.8 | 33.7 | 31.3 | 31.8 | 30.2 | 29.5 | 29.3 | 28.5 | 26.5 |
| Average temperature (°C) | 18.7 | 22.6 | 24.4 | 28.1 | 28.1 | 26.7 | 26.8 | 26.2 | 25.5 | 25.3 | 24.0 | 21.7 |
| Average night temperature (°C) | 15.4 | 18.3 | 19.5 | 23.5 | 24.2 | 23.7 | 23.5 | 23.5 | 22.7 | 22.8 | 21.1 | 18.4 |
| Absolute minimum temperature (°C) | 12.3 | 13.3 | 15.8 | 20.8 | 21.5 | 22.7 | 22.7 | 21.9 | 22.0 | 21.1 | 18.0 | 12.5 |
| 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 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.3 | 9.5 | 10.3 | 10.8 | 10.8 | 8.8 | 9.4 | 7.6 | 6.8 | 8.7 | 9.6 | 9.2 |
| Precipitation (mm) | 14 | 17 | 21 | 32 | 108 | 225 | 213 | 291 | 406 | 102 | 18 | 2 |
| Sunny days | 22 | 13 | 18 | 8 | 6 | 0 | 0 | 0 | 1 | 3 | 14 | 24 |
| Rainy days | 9 | 15 | 13 | 22 | 25 | 30 | 31 | 31 | 29 | 28 | 16 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Houaysouan is at