Average annual temperature is 21.9 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: 5.3 °C
Number of sunny days: 126 days
Number of rainy days: 239 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) | 26.1 | 29.4 | 31.9 | 35.6 | 34.3 | 34.1 | 33.5 | 31.0 | 30.9 | 29.3 | 28.7 | 27.7 |
| Average daytime temperature (°C) | 22.8 | 26.5 | 28.4 | 32.1 | 31.1 | 29.3 | 29.9 | 27.4 | 28.1 | 27.1 | 25.8 | 24.7 |
| Average temperature (°C) | 15.7 | 19.1 | 21.4 | 24.7 | 25.2 | 24.4 | 24.7 | 23.4 | 23.5 | 22.3 | 19.8 | 18.3 |
| Average night temperature (°C) | 8.8 | 12.5 | 15.2 | 18.9 | 20.5 | 21.0 | 21.0 | 20.7 | 20.2 | 18.3 | 14.9 | 12.9 |
| Absolute minimum temperature (°C) | 5.3 | 9.3 | 12.0 | 16.3 | 18.0 | 20.0 | 20.1 | 20.0 | 19.4 | 15.2 | 10.8 | 6.2 |
| 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) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 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 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.8 | 10.2 | 9.3 | 10.0 | 10.5 | 8.6 | 9.4 | 6.7 | 9.4 | 9.7 | 9.6 | 9.5 |
| Precipitation (mm) | 0 | 26 | 38 | 51 | 164 | 296 | 268 | 371 | 238 | 110 | 48 | 36 |
| Sunny days | 28 | 15 | 12 | 19 | 8 | 0 | 1 | 0 | 2 | 9 | 16 | 16 |
| Rainy days | 3 | 13 | 19 | 11 | 23 | 30 | 30 | 31 | 28 | 22 | 14 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban San is at