Average annual temperature is 22.5 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: 6.7 °C
Number of sunny days: 129 days
Number of rainy days: 236 days
Look at detailed online map of Ban Lan
* Weather data for Ban Lan 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) | 26.9 | 30.3 | 32.1 | 36.0 | 34.7 | 34.9 | 34.4 | 31.7 | 30.9 | 30.0 | 29.1 | 28.3 |
| Average daytime temperature (°C) | 23.5 | 27.3 | 28.9 | 32.7 | 31.6 | 29.9 | 30.5 | 28.0 | 28.6 | 27.4 | 26.2 | 25.1 |
| Average temperature (°C) | 16.4 | 19.8 | 22.0 | 25.5 | 25.8 | 24.9 | 25.3 | 23.9 | 24.0 | 22.7 | 20.2 | 18.8 |
| Average night temperature (°C) | 9.7 | 13.3 | 16.0 | 19.8 | 21.3 | 21.6 | 21.6 | 21.2 | 20.6 | 18.8 | 15.6 | 13.5 |
| Absolute minimum temperature (°C) | 6.7 | 10.4 | 12.9 | 17.1 | 18.7 | 20.5 | 20.7 | 20.1 | 19.7 | 15.9 | 12.0 | 7.0 |
| 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 | 10.3 | 9.6 | 10.3 | 10.5 | 8.8 | 9.4 | 6.8 | 9.3 | 9.7 | 9.7 | 9.6 |
| Precipitation (mm) | 1 | 23 | 31 | 51 | 155 | 305 | 250 | 392 | 239 | 97 | 38 | 43 |
| Sunny days | 28 | 17 | 13 | 20 | 8 | 1 | 1 | 0 | 1 | 11 | 15 | 14 |
| Rainy days | 3 | 11 | 18 | 10 | 23 | 29 | 30 | 31 | 29 | 20 | 15 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Lan is at