Average annual temperature is 24.9 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: 9.1 °C
Number of sunny days: 134 days
Number of rainy days: 231 days
Look at detailed online map of Ban Houaynam
* Weather data for Ban Houaynam 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) | 28.7 | 31.9 | 35.0 | 38.0 | 39.2 | 36.9 | 35.6 | 33.5 | 34.3 | 31.9 | 30.9 | 30.8 |
| Average daytime temperature (°C) | 26.5 | 29.2 | 32.3 | 35.8 | 34.4 | 31.5 | 31.9 | 29.8 | 30.3 | 29.6 | 29.0 | 28.3 |
| Average temperature (°C) | 19.3 | 22.2 | 25.0 | 28.4 | 28.3 | 26.7 | 26.9 | 25.8 | 26.0 | 25.1 | 23.0 | 22.1 |
| Average night temperature (°C) | 12.1 | 15.3 | 18.6 | 21.6 | 23.3 | 23.3 | 23.3 | 23.1 | 22.7 | 21.6 | 17.7 | 16.7 |
| Absolute minimum temperature (°C) | 9.1 | 12.8 | 15.9 | 19.2 | 20.9 | 22.1 | 22.4 | 21.9 | 21.7 | 20.1 | 13.0 | 10.2 |
| 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) | 11.1 | 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) | 10.2 | 10.1 | 9.7 | 10.7 | 10.4 | 9.4 | 9.5 | 6.7 | 9.0 | 9.7 | 10.0 | 9.8 |
| Precipitation (mm) | 1 | 17 | 18 | 39 | 182 | 365 | 357 | 359 | 349 | 228 | 55 | 42 |
| Sunny days | 29 | 19 | 20 | 23 | 6 | 0 | 2 | 1 | 1 | 0 | 15 | 18 |
| Rainy days | 2 | 9 | 11 | 7 | 25 | 30 | 29 | 30 | 29 | 31 | 15 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Houaynam is at