Average annual temperature is 21.7 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: 4.5 °C
Number of sunny days: 136 days
Number of rainy days: 229 days
Look at detailed online map of Ban Na Lan
* Weather data for Ban Na 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) | 25.9 | 30.2 | 32.5 | 34.4 | 33.5 | 34.0 | 31.3 | 29.9 | 29.9 | 29.4 | 29.3 | 27.9 |
| Average daytime temperature (°C) | 22.6 | 26.7 | 28.3 | 31.8 | 31.0 | 28.5 | 28.9 | 26.6 | 26.9 | 27.2 | 26.2 | 24.2 |
| Average temperature (°C) | 15.8 | 19.8 | 21.5 | 25.3 | 25.2 | 23.7 | 24.1 | 22.7 | 22.7 | 21.8 | 19.7 | 17.9 |
| Average night temperature (°C) | 9.3 | 13.4 | 16.0 | 20.4 | 21.2 | 20.6 | 20.8 | 20.0 | 19.5 | 17.5 | 15.0 | 12.5 |
| Absolute minimum temperature (°C) | 4.5 | 7.8 | 10.7 | 17.3 | 18.0 | 19.4 | 19.9 | 17.5 | 18.5 | 14.6 | 10.4 | 5.7 |
| 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 | 11.0 |
| 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 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.8 | 10.3 | 10.2 | 11.2 | 10.7 | 8.3 | 10.2 | 6.7 | 8.4 | 9.8 | 9.9 | 9.9 |
| Precipitation (mm) | 7 | 6 | 24 | 52 | 102 | 412 | 309 | 568 | 343 | 109 | 37 | 16 |
| Sunny days | 28 | 20 | 15 | 16 | 4 | 0 | 0 | 1 | 1 | 12 | 18 | 21 |
| Rainy days | 3 | 8 | 16 | 14 | 27 | 30 | 31 | 30 | 29 | 19 | 12 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Na Lan is at