Average annual temperature is 23.4 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 5.7 °C
Number of sunny days: 146 days
Number of rainy days: 219 days
Look at detailed online map of Ban Houay Niai
* Weather data for Ban Houay Niai 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) | 28.1 | 31.4 | 33.1 | 37.2 | 37.3 | 35.5 | 34.2 | 31.6 | 31.4 | 29.8 | 30.0 | 30.5 |
| Average daytime temperature (°C) | 24.9 | 28.5 | 30.0 | 33.6 | 33.2 | 30.3 | 31.1 | 27.5 | 28.0 | 27.7 | 27.5 | 26.9 |
| Average temperature (°C) | 18.0 | 21.3 | 23.1 | 26.8 | 27.2 | 25.4 | 26.0 | 24.0 | 24.0 | 22.9 | 21.3 | 20.4 |
| Average night temperature (°C) | 10.8 | 14.3 | 17.1 | 21.1 | 22.8 | 22.1 | 22.4 | 21.5 | 20.9 | 18.9 | 16.3 | 14.5 |
| Absolute minimum temperature (°C) | 5.7 | 10.1 | 13.0 | 17.1 | 19.6 | 20.8 | 21.4 | 20.5 | 19.7 | 15.4 | 12.0 | 7.7 |
| 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 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 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 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.8 | 10.4 | 9.6 | 10.5 | 10.9 | 8.9 | 10.0 | 6.8 | 9.0 | 9.7 | 9.8 | 9.5 |
| Precipitation (mm) | 2 | 5 | 25 | 36 | 114 | 225 | 200 | 366 | 419 | 148 | 32 | 22 |
| Sunny days | 27 | 21 | 24 | 20 | 5 | 1 | 2 | 0 | 1 | 7 | 19 | 19 |
| Rainy days | 4 | 7 | 7 | 10 | 26 | 29 | 29 | 31 | 29 | 24 | 11 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Houay Niai is at