Average annual temperature is 10.4 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -20.0 °C
Number of sunny days: 121 days
Number of rainy days: 216 days
Number of snow days: 28 days
Look at detailed online map of Lake Bluff
* Weather data for Lake Bluff 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) | 9.1 | 17.2 | 11.8 | 25.9 | 25.1 | 28.5 | 31.9 | 29.1 | 30.4 | 28.9 | 14.6 | 12.1 |
| Average daytime temperature (°C) | 2.9 | 4.7 | 4.0 | 14.3 | 16.9 | 21.8 | 26.0 | 23.6 | 21.7 | 16.6 | 8.5 | 6.6 |
| Average temperature (°C) | 0.7 | -0.4 | 1.0 | 8.8 | 12.3 | 18.0 | 22.2 | 20.3 | 18.2 | 13.4 | 5.1 | 4.0 |
| Average night temperature (°C) | -1.3 | -4.1 | -1.6 | 4.7 | 8.0 | 14.8 | 19.1 | 17.6 | 15.4 | 10.8 | 2.6 | 2.1 |
| Absolute minimum temperature (°C) | -5.8 | -20.0 | -7.8 | -3.9 | 3.4 | 10.5 | 15.9 | 14.2 | 10.0 | 3.1 | -3.1 | -5.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 2.2 | 4.8 | 5.4 | 8.2 | 11.9 | 10.8 | 11.5 | 10.7 | 9.6 | 5.4 | 4.7 | 2.6 |
| Precipitation (mm) | 114 | 85 | 100 | 113 | 77 | 128 | 137 | 151 | 41 | 97 | 82 | 157 |
| Sunny days | 3 | 9 | 10 | 13 | 21 | 12 | 12 | 7 | 15 | 8 | 5 | 6 |
| Rainy days | 20 | 14 | 13 | 17 | 10 | 18 | 19 | 24 | 15 | 23 | 22 | 21 |
| Snow days | 8 | 5 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 |
The best time to visit Lake Bluff during the most sunny months:
Months with the longest average daylight duration in Lake Bluff:
The largest precipitation sum in Lake Bluff is at