Average annual temperature is 23.8 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 5.4 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Ban Sisômboun
* Weather data for Ban Sisômboun 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) | 29.4 | 33.4 | 36.5 | 38.1 | 37.9 | 37.0 | 33.8 | 32.2 | 31.3 | 31.2 | 31.6 | 31.9 |
| Average daytime temperature (°C) | 25.7 | 29.9 | 32.1 | 35.2 | 34.1 | 31.1 | 31.4 | 28.7 | 29.0 | 29.4 | 29.0 | 27.8 |
| Average temperature (°C) | 18.0 | 21.9 | 24.1 | 27.6 | 27.4 | 25.9 | 26.0 | 24.7 | 24.5 | 23.6 | 21.8 | 20.4 |
| Average night temperature (°C) | 10.4 | 14.5 | 17.4 | 21.8 | 22.7 | 22.5 | 22.1 | 21.7 | 21.2 | 18.8 | 16.0 | 14.1 |
| Absolute minimum temperature (°C) | 5.4 | 9.6 | 13.2 | 19.2 | 20.3 | 21.2 | 21.1 | 19.3 | 19.7 | 15.7 | 11.7 | 7.3 |
| 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 | 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 | 11.0 |
| 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) | 9.7 | 10.3 | 10.3 | 11.0 | 10.5 | 7.8 | 10.5 | 6.5 | 8.7 | 9.6 | 10.0 | 9.8 |
| Precipitation (mm) | 5 | 6 | 18 | 69 | 114 | 302 | 280 | 391 | 252 | 67 | 24 | 7 |
| Sunny days | 27 | 20 | 18 | 17 | 5 | 0 | 0 | 1 | 1 | 13 | 21 | 22 |
| Rainy days | 4 | 8 | 13 | 13 | 26 | 30 | 31 | 30 | 29 | 18 | 9 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Sisômboun is at