Average annual temperature is 24.4 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 9.5 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Ban San
* Weather data for Ban San 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) | 27.8 | 30.5 | 34.6 | 37.9 | 37.7 | 36.8 | 37.1 | 33.6 | 33.7 | 31.9 | 30.9 | 28.9 |
| Average daytime temperature (°C) | 24.5 | 27.7 | 30.5 | 35.2 | 33.9 | 32.0 | 32.6 | 29.9 | 30.5 | 29.1 | 27.5 | 25.7 |
| Average temperature (°C) | 17.9 | 21.0 | 23.5 | 27.5 | 27.9 | 27.2 | 27.5 | 26.0 | 26.1 | 24.9 | 22.3 | 20.5 |
| Average night temperature (°C) | 11.8 | 14.7 | 17.3 | 21.1 | 22.7 | 23.7 | 23.7 | 23.3 | 22.5 | 21.3 | 17.8 | 15.8 |
| Absolute minimum temperature (°C) | 9.5 | 12.2 | 15.0 | 18.9 | 20.6 | 22.7 | 22.5 | 21.8 | 21.9 | 20.0 | 14.0 | 10.1 |
| 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) | 11.0 | 11.4 | 12.0 | 12.6 | 13.2 | 13.4 | 13.3 | 12.9 | 12.3 | 11.7 | 11.1 | 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 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 10.0 | 10.0 | 10.2 | 10.7 | 10.9 | 8.8 | 9.4 | 6.6 | 9.8 | 9.6 | 9.7 | 9.5 |
| Precipitation (mm) | 2 | 42 | 37 | 30 | 119 | 231 | 220 | 379 | 282 | 127 | 48 | 59 |
| Sunny days | 24 | 17 | 17 | 21 | 7 | 2 | 2 | 0 | 0 | 7 | 15 | 8 |
| Rainy days | 7 | 11 | 14 | 9 | 24 | 28 | 29 | 31 | 30 | 24 | 15 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban San is at