Average annual temperature is 23.8 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 9.1 °C
Number of sunny days: 131 days
Number of rainy days: 234 days
Look at detailed online map of Ban Bosan
* Weather data for Ban Bosan 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) | 28.3 | 30.8 | 35.2 | 36.7 | 35.9 | 32.7 | 32.1 | 32.0 | 30.0 | 29.2 | 29.2 | 30.8 |
| Average daytime temperature (°C) | 23.6 | 27.3 | 30.9 | 34.1 | 31.4 | 29.9 | 29.8 | 28.6 | 27.5 | 27.0 | 26.5 | 26.0 |
| Average temperature (°C) | 18.5 | 21.8 | 24.6 | 27.9 | 26.2 | 25.4 | 25.3 | 24.5 | 23.9 | 23.5 | 22.8 | 21.6 |
| Average night temperature (°C) | 12.9 | 16.1 | 18.8 | 22.5 | 22.0 | 22.1 | 21.9 | 21.6 | 21.4 | 20.4 | 18.8 | 16.7 |
| Absolute minimum temperature (°C) | 9.1 | 11.3 | 15.1 | 19.6 | 19.7 | 20.9 | 20.6 | 20.7 | 20.1 | 19.1 | 15.5 | 10.5 |
| 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 | 11.6 | 12.0 | 12.5 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| 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) | 10.0 | 10.7 | 10.6 | 11.2 | 10.6 | 8.6 | 9.2 | 7.0 | 7.2 | 9.0 | 10.0 | 10.1 |
| Precipitation (mm) | 12 | 10 | 8 | 56 | 168 | 158 | 149 | 169 | 437 | 211 | 12 | 3 |
| Sunny days | 28 | 19 | 19 | 13 | 3 | 0 | 1 | 2 | 1 | 4 | 15 | 26 |
| Rainy days | 3 | 9 | 12 | 17 | 28 | 30 | 30 | 29 | 29 | 27 | 15 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Bosan is at