Average annual temperature is 18.5 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: 2.2 °C
Number of sunny days: 81 days
Number of rainy days: 284 days
Look at detailed online map of Ban Nalan
* Weather data for Ban Nalan 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) | 22.9 | 25.0 | 28.5 | 27.8 | 29.5 | 27.0 | 26.1 | 26.3 | 25.8 | 24.9 | 24.1 | 23.1 |
| Average daytime temperature (°C) | 18.8 | 21.7 | 23.6 | 25.5 | 25.3 | 23.3 | 24.2 | 22.6 | 22.8 | 22.7 | 21.3 | 20.2 |
| Average temperature (°C) | 13.6 | 16.5 | 18.9 | 21.5 | 21.3 | 20.2 | 20.5 | 19.6 | 19.5 | 18.4 | 16.7 | 15.4 |
| Average night temperature (°C) | 9.1 | 12.3 | 15.1 | 18.4 | 18.5 | 18.2 | 18.1 | 17.7 | 17.3 | 15.7 | 13.6 | 11.6 |
| Absolute minimum temperature (°C) | 3.7 | 4.6 | 10.7 | 15.8 | 16.1 | 17.4 | 16.8 | 16.3 | 15.9 | 12.7 | 8.2 | 2.2 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.3 | 10.2 | 10.3 | 11.1 | 10.4 | 7.3 | 9.6 | 5.9 | 7.6 | 9.5 | 9.8 | 9.8 |
| Precipitation (mm) | 3 | 36 | 35 | 68 | 178 | 305 | 241 | 462 | 332 | 211 | 55 | 45 |
| Sunny days | 27 | 10 | 9 | 3 | 0 | 0 | 0 | 1 | 1 | 2 | 12 | 16 |
| Rainy days | 4 | 18 | 22 | 27 | 31 | 30 | 31 | 30 | 29 | 29 | 18 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Nalan is at