Average annual temperature is 18.5 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: 0.9 °C
Number of sunny days: 77 days
Number of rainy days: 288 days
Look at detailed online map of Ban Sômphian
* Weather data for Ban Sômphian 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) | 22.1 | 26.7 | 27.9 | 30.2 | 30.9 | 29.3 | 27.7 | 27.7 | 26.7 | 26.9 | 24.3 | 24.6 |
| Average daytime temperature (°C) | 17.2 | 21.1 | 22.9 | 27.1 | 26.7 | 25.7 | 26.2 | 24.2 | 23.4 | 22.3 | 20.7 | 19.1 |
| Average temperature (°C) | 11.7 | 15.6 | 17.6 | 21.9 | 22.2 | 21.4 | 21.8 | 20.7 | 20.0 | 18.3 | 16.2 | 14.2 |
| Average night temperature (°C) | 7.3 | 11.9 | 14.2 | 18.7 | 19.3 | 19.0 | 18.8 | 18.3 | 17.6 | 15.5 | 13.3 | 10.5 |
| Absolute minimum temperature (°C) | 2.0 | 5.0 | 8.5 | 14.8 | 14.8 | 17.7 | 17.3 | 15.2 | 16.5 | 12.2 | 7.9 | 0.9 |
| 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) | 8.6 | 8.9 | 8.9 | 10.2 | 10.1 | 8.3 | 10.6 | 6.5 | 7.9 | 8.5 | 8.8 | 8.1 |
| Precipitation (mm) | 9 | 31 | 61 | 50 | 160 | 377 | 165 | 283 | 303 | 107 | 34 | 23 |
| Sunny days | 18 | 12 | 7 | 5 | 1 | 0 | 0 | 1 | 1 | 2 | 11 | 19 |
| Rainy days | 13 | 16 | 24 | 25 | 30 | 30 | 31 | 30 | 29 | 29 | 19 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Sômphian is at