Average annual temperature is 25.8 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 10.3 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Ban Sammun
* Weather data for Ban Sammun 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) | 32.3 | 35.1 | 38.9 | 41.2 | 40.5 | 37.0 | 35.4 | 34.8 | 33.8 | 32.5 | 32.6 | 32.5 |
| Average daytime temperature (°C) | 27.5 | 31.2 | 34.2 | 37.3 | 34.6 | 32.4 | 32.4 | 30.9 | 30.1 | 30.0 | 30.3 | 28.8 |
| Average temperature (°C) | 20.7 | 23.7 | 26.5 | 29.5 | 28.6 | 27.4 | 27.5 | 26.5 | 26.0 | 25.6 | 24.6 | 22.9 |
| Average night temperature (°C) | 14.4 | 16.9 | 20.0 | 23.4 | 24.3 | 24.1 | 23.9 | 23.6 | 23.3 | 22.3 | 19.8 | 17.6 |
| Absolute minimum temperature (°C) | 10.3 | 12.3 | 16.6 | 21.7 | 22.4 | 22.7 | 22.9 | 22.5 | 21.7 | 20.9 | 16.2 | 12.2 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 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 | 11.0 |
| Sunshine mean duration (h) | 9.7 | 10.1 | 10.2 | 10.8 | 10.2 | 8.2 | 9.1 | 6.6 | 6.5 | 8.9 | 10.0 | 9.8 |
| Precipitation (mm) | 4 | 7 | 13 | 37 | 221 | 362 | 245 | 314 | 420 | 355 | 23 | 2 |
| Sunny days | 29 | 23 | 22 | 19 | 4 | 0 | 1 | 1 | 0 | 3 | 18 | 25 |
| Rainy days | 2 | 5 | 9 | 11 | 27 | 30 | 30 | 30 | 30 | 28 | 12 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Sammun is at