Average annual temperature is 26.4 °C
Absolute maximum temperature: 42.4 °C
Absolute minimum temperature: 10.7 °C
Number of sunny days: 150 days
Number of rainy days: 215 days
Look at detailed online map of Ban Ilai
* Weather data for Ban Ilai 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) | 31.2 | 36.4 | 38.9 | 40.5 | 42.4 | 35.9 | 35.2 | 34.2 | 33.0 | 32.6 | 32.9 | 32.7 |
| Average daytime temperature (°C) | 26.8 | 31.3 | 33.8 | 37.2 | 35.1 | 31.4 | 31.6 | 30.3 | 30.0 | 30.5 | 30.1 | 28.9 |
| Average temperature (°C) | 21.0 | 25.1 | 27.4 | 31.0 | 29.6 | 27.1 | 27.5 | 26.7 | 26.2 | 26.3 | 25.2 | 23.6 |
| Average night temperature (°C) | 15.2 | 19.1 | 21.5 | 25.4 | 25.2 | 24.1 | 24.3 | 24.0 | 23.5 | 22.8 | 20.8 | 18.7 |
| Absolute minimum temperature (°C) | 10.7 | 13.8 | 17.4 | 22.7 | 22.6 | 23.3 | 23.1 | 22.7 | 22.6 | 21.0 | 16.4 | 11.1 |
| 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 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| 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) | 9.8 | 10.3 | 10.3 | 10.9 | 10.0 | 7.5 | 8.7 | 6.0 | 7.2 | 9.6 | 10.1 | 9.9 |
| Precipitation (mm) | 0 | 1 | 11 | 50 | 240 | 642 | 546 | 508 | 638 | 293 | 15 | 0 |
| Sunny days | 28 | 24 | 24 | 15 | 6 | 0 | 0 | 0 | 0 | 5 | 21 | 27 |
| Rainy days | 3 | 4 | 7 | 15 | 25 | 30 | 31 | 31 | 30 | 26 | 9 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Ilai is at