Average annual temperature is 23.9 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: 2.1 °C
Number of sunny days: 227 days
Number of rainy days: 138 days
Look at detailed online map of La Salle County
* Weather data for La Salle County United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.8 | 33.1 | 35.6 | 36.3 | 34.0 | 42.2 | 42.0 | 43.1 | 41.1 | 34.6 | 31.3 | 26.8 |
| Average daytime temperature (°C) | 23.2 | 24.2 | 28.9 | 28.2 | 30.4 | 38.4 | 39.7 | 39.7 | 38.0 | 29.5 | 22.1 | 21.6 |
| Average temperature (°C) | 16.6 | 16.7 | 21.4 | 22.0 | 25.1 | 31.4 | 32.7 | 32.7 | 31.5 | 23.8 | 17.3 | 15.4 |
| Average night temperature (°C) | 11.3 | 11.5 | 16.4 | 17.3 | 20.7 | 25.1 | 26.6 | 26.7 | 26.0 | 19.7 | 13.5 | 10.2 |
| Absolute minimum temperature (°C) | 2.1 | 2.1 | 6.3 | 11.9 | 16.8 | 20.7 | 24.3 | 23.8 | 23.7 | 7.8 | 4.5 | 3.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.9 | 13.6 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.7 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.2 | 8.0 | 7.3 | 7.9 | 9.6 | 12.5 | 12.5 | 11.7 | 11.1 | 8.3 | 5.8 | 7.6 |
| Precipitation (mm) | 34 | 48 | 48 | 115 | 148 | 12 | 6 | 32 | 23 | 94 | 40 | 19 |
| Sunny days | 24 | 20 | 11 | 12 | 9 | 25 | 24 | 26 | 22 | 14 | 18 | 22 |
| Rainy days | 7 | 8 | 20 | 18 | 22 | 5 | 7 | 5 | 8 | 17 | 12 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit La Salle County during the most sunny months:
The largest precipitation sum in La Salle County is at