Average annual temperature is 18.0 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: 1.2 °C
Number of sunny days: 122 days
Number of rainy days: 243 days
Look at detailed online map of Ban San-Gnai
* Weather data for Ban San-Gnai 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) | 23.4 | 26.8 | 29.9 | 29.0 | 31.4 | 28.5 | 26.7 | 27.1 | 26.5 | 26.8 | 25.3 | 25.4 |
| Average daytime temperature (°C) | 16.2 | 20.4 | 24.1 | 26.6 | 26.4 | 23.7 | 24.6 | 22.5 | 23.0 | 22.4 | 20.8 | 18.9 |
| Average temperature (°C) | 11.1 | 15.3 | 18.2 | 21.6 | 21.8 | 20.3 | 20.5 | 19.5 | 19.5 | 18.2 | 16.2 | 13.8 |
| Average night temperature (°C) | 7.3 | 11.5 | 14.0 | 17.8 | 18.7 | 18.1 | 18.0 | 17.6 | 17.2 | 15.5 | 13.0 | 10.1 |
| Absolute minimum temperature (°C) | 3.0 | 5.7 | 9.0 | 12.2 | 14.9 | 17.3 | 17.1 | 16.8 | 15.9 | 12.1 | 8.2 | 1.2 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| 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) | 9.1 | 10.1 | 10.6 | 11.1 | 10.6 | 7.9 | 9.4 | 6.9 | 7.7 | 9.7 | 10.0 | 9.7 |
| Precipitation (mm) | 12 | 28 | 42 | 82 | 130 | 258 | 200 | 402 | 222 | 98 | 10 | 5 |
| Sunny days | 26 | 19 | 14 | 5 | 1 | 0 | 0 | 2 | 1 | 13 | 16 | 25 |
| Rainy days | 5 | 9 | 17 | 25 | 30 | 30 | 31 | 29 | 29 | 18 | 14 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban San-Gnai is at