Average annual temperature is 25.6 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 13.3 °C
Number of sunny days: 129 days
Number of rainy days: 236 days
Look at detailed online map of Ban Nachan
* Weather data for Ban Nachan 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) | 32.4 | 35.5 | 37.3 | 37.4 | 37.9 | 33.2 | 33.0 | 32.8 | 31.5 | 31.2 | 32.3 | 33.8 |
| Average daytime temperature (°C) | 27.3 | 32.7 | 34.8 | 35.3 | 33.6 | 30.7 | 30.4 | 29.5 | 28.9 | 29.5 | 30.3 | 30.0 |
| Average temperature (°C) | 21.1 | 25.3 | 27.1 | 28.5 | 28.2 | 26.4 | 26.2 | 25.8 | 25.2 | 25.2 | 24.7 | 24.1 |
| Average night temperature (°C) | 16.5 | 19.3 | 20.7 | 23.8 | 24.3 | 23.4 | 23.3 | 23.1 | 22.6 | 22.1 | 20.6 | 19.6 |
| Absolute minimum temperature (°C) | 13.3 | 16.2 | 16.2 | 22.0 | 22.6 | 22.3 | 21.7 | 21.5 | 21.6 | 20.7 | 16.4 | 15.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.2 | 10.3 | 11.1 | 10.9 | 10.8 | 10.7 | 10.1 | 9.1 | 8.0 | 8.9 | 10.3 | 10.0 |
| Precipitation (mm) | 20 | 4 | 5 | 55 | 120 | 326 | 322 | 258 | 286 | 183 | 22 | 2 |
| Sunny days | 23 | 23 | 24 | 6 | 8 | 0 | 1 | 0 | 0 | 4 | 16 | 24 |
| Rainy days | 8 | 5 | 7 | 24 | 23 | 30 | 30 | 31 | 30 | 27 | 14 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Nachan is at