Average annual temperature is 19.2 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: 3.5 °C
Number of sunny days: 96 days
Number of rainy days: 269 days
Look at detailed online map of Ban Kaosan
* Weather data for Ban Kaosan 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) | 21.6 | 25.1 | 28.1 | 32.5 | 32.8 | 32.3 | 30.9 | 28.2 | 28.5 | 26.7 | 26.1 | 24.3 |
| Average daytime temperature (°C) | 18.1 | 21.3 | 24.2 | 29.5 | 28.3 | 26.8 | 27.1 | 25.2 | 26.1 | 24.2 | 21.8 | 19.9 |
| Average temperature (°C) | 12.2 | 15.7 | 18.1 | 22.2 | 22.6 | 21.9 | 22.4 | 21.1 | 21.5 | 19.9 | 17.0 | 15.2 |
| Average night temperature (°C) | 6.1 | 10.5 | 12.7 | 16.4 | 18.0 | 18.8 | 19.0 | 18.6 | 18.0 | 16.5 | 13.2 | 11.1 |
| Absolute minimum temperature (°C) | 3.5 | 8.5 | 9.9 | 13.4 | 15.7 | 17.7 | 18.0 | 17.7 | 16.8 | 14.1 | 9.2 | 5.2 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.3 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.6 | 8.5 | 8.9 | 10.1 | 10.3 | 8.6 | 9.5 | 6.5 | 10.2 | 9.4 | 8.7 | 7.8 |
| Precipitation (mm) | 3 | 32 | 39 | 62 | 155 | 354 | 241 | 650 | 223 | 172 | 150 | 70 |
| Sunny days | 22 | 15 | 11 | 21 | 7 | 1 | 1 | 0 | 2 | 2 | 8 | 6 |
| Rainy days | 9 | 13 | 20 | 9 | 24 | 29 | 30 | 31 | 28 | 29 | 22 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Kaosan is at