Average annual temperature is 21.3 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: 6.9 °C
Number of sunny days: 104 days
Number of rainy days: 261 days
Look at detailed online map of Ban Houaysin
* Weather data for Ban Houaysin 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) | 26.5 | 28.7 | 30.8 | 34.0 | 33.4 | 31.0 | 31.0 | 30.3 | 30.5 | 27.9 | 27.7 | 27.2 |
| Average daytime temperature (°C) | 23.0 | 25.5 | 28.1 | 31.7 | 29.2 | 27.3 | 27.3 | 25.7 | 26.2 | 25.6 | 25.1 | 24.2 |
| Average temperature (°C) | 16.7 | 19.1 | 21.7 | 25.0 | 24.0 | 22.9 | 22.9 | 22.0 | 21.9 | 21.2 | 19.7 | 18.7 |
| Average night temperature (°C) | 10.4 | 12.6 | 15.6 | 19.0 | 19.9 | 20.1 | 19.9 | 19.7 | 19.2 | 18.0 | 15.0 | 13.8 |
| Absolute minimum temperature (°C) | 6.9 | 8.9 | 12.1 | 15.8 | 17.8 | 19.2 | 18.4 | 18.6 | 17.9 | 16.2 | 12.0 | 8.3 |
| 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 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 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 | 10.0 |
| Sunshine mean duration (h) | 9.8 | 10.6 | 10.5 | 11.2 | 10.5 | 8.2 | 9.2 | 5.8 | 7.4 | 9.0 | 9.9 | 9.9 |
| Precipitation (mm) | 4 | 10 | 18 | 42 | 137 | 284 | 235 | 295 | 332 | 234 | 41 | 19 |
| Sunny days | 27 | 18 | 15 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 14 |
| Rainy days | 4 | 10 | 16 | 14 | 31 | 30 | 31 | 31 | 30 | 31 | 16 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Houaysin is at