Average annual temperature is 20.4 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 3.2 °C
Number of sunny days: 117 days
Number of rainy days: 248 days
Look at detailed online map of Ban Sèn
* Weather data for Ban Sèn 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) | 24.7 | 26.9 | 30.0 | 33.6 | 33.0 | 33.0 | 30.1 | 29.3 | 28.5 | 27.0 | 26.5 | 26.4 |
| Average daytime temperature (°C) | 21.3 | 24.6 | 26.8 | 30.4 | 29.7 | 27.1 | 27.5 | 25.0 | 25.5 | 25.0 | 24.3 | 22.8 |
| Average temperature (°C) | 14.8 | 18.1 | 20.3 | 23.9 | 24.0 | 22.5 | 22.8 | 21.4 | 21.4 | 20.4 | 18.5 | 16.9 |
| Average night temperature (°C) | 8.1 | 11.7 | 14.6 | 18.6 | 19.8 | 19.4 | 19.5 | 18.9 | 18.3 | 16.4 | 13.6 | 11.3 |
| Absolute minimum temperature (°C) | 3.2 | 8.5 | 11.1 | 16.2 | 16.8 | 18.3 | 18.4 | 18.1 | 16.9 | 13.4 | 8.7 | 3.8 |
| 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) | 9.6 | 10.4 | 10.1 | 11.0 | 10.9 | 8.7 | 9.8 | 6.5 | 9.0 | 9.6 | 9.8 | 9.5 |
| Precipitation (mm) | 5 | 15 | 45 | 52 | 127 | 342 | 232 | 511 | 322 | 123 | 45 | 29 |
| Sunny days | 24 | 16 | 14 | 18 | 4 | 0 | 0 | 0 | 1 | 8 | 16 | 16 |
| Rainy days | 7 | 12 | 17 | 12 | 27 | 30 | 31 | 31 | 29 | 23 | 14 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Sèn is at