Average annual temperature is 21.7 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 3.9 °C
Number of sunny days: 104 days
Number of rainy days: 261 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) | 28.8 | 33.1 | 34.9 | 36.9 | 38.2 | 36.8 | 35.1 | 31.5 | 30.8 | 30.5 | 29.7 | 29.8 |
| Average daytime temperature (°C) | 20.5 | 25.1 | 26.9 | 31.7 | 32.3 | 30.4 | 31.8 | 28.7 | 27.5 | 26.7 | 24.3 | 22.2 |
| Average temperature (°C) | 14.0 | 18.5 | 20.1 | 24.3 | 26.1 | 25.2 | 26.1 | 24.5 | 23.7 | 22.0 | 19.2 | 16.9 |
| Average night temperature (°C) | 8.3 | 13.7 | 15.2 | 19.5 | 21.7 | 21.9 | 22.2 | 21.5 | 20.8 | 18.1 | 15.1 | 12.7 |
| Absolute minimum temperature (°C) | 3.9 | 7.3 | 10.3 | 16.0 | 18.1 | 20.5 | 20.9 | 18.4 | 19.5 | 14.7 | 9.9 | 4.2 |
| 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) | 11.1 | 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 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.5 | 7.6 | 7.4 | 8.8 | 9.4 | 7.6 | 10.3 | 6.8 | 7.1 | 8.4 | 8.0 | 6.8 |
| Precipitation (mm) | 5 | 32 | 59 | 45 | 97 | 309 | 167 | 317 | 277 | 45 | 34 | 19 |
| Sunny days | 21 | 13 | 9 | 14 | 7 | 0 | 2 | 0 | 1 | 9 | 11 | 17 |
| Rainy days | 10 | 15 | 22 | 16 | 24 | 30 | 29 | 31 | 29 | 22 | 19 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ban San during the most sunny months:
The largest precipitation sum in Ban San is at