Average annual temperature is 7.8 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: -19.5 °C
Number of sunny days: 187 days
Number of rainy days: 139 days
Number of snow days: 39 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) | 2.9 | 6.1 | 4.5 | 18.3 | 24.2 | 28.1 | 28.1 | 29.7 | 27.0 | 23.3 | 13.3 | 8.7 |
| Average daytime temperature (°C) | -1.1 | -0.8 | 1.3 | 8.6 | 16.3 | 22.5 | 24.0 | 23.5 | 20.1 | 13.3 | 6.2 | 3.5 |
| Average temperature (°C) | -3.5 | -4.4 | -2.3 | 4.6 | 11.4 | 17.5 | 19.5 | 19.3 | 16.8 | 10.2 | 2.7 | 0.8 |
| Average night temperature (°C) | -5.8 | -7.8 | -5.9 | 1.4 | 7.3 | 13.1 | 15.5 | 15.8 | 14.2 | 8.0 | 0.0 | -1.3 |
| Absolute minimum temperature (°C) | -19.3 | -19.5 | -11.2 | -8.4 | 0.3 | 7.4 | 12.0 | 10.6 | 9.8 | -2.2 | -7.8 | -6.1 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.5 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.9 | 6.6 | 6.8 | 7.7 | 10.8 | 11.8 | 12.1 | 10.7 | 8.5 | 5.8 | 5.4 | 3.3 |
| Precipitation (mm) | 60 | 48 | 57 | 101 | 74 | 103 | 81 | 113 | 43 | 104 | 30 | 41 |
| Sunny days | 14 | 13 | 17 | 11 | 23 | 19 | 7 | 18 | 19 | 10 | 19 | 17 |
| Rainy days | 8 | 4 | 5 | 16 | 8 | 11 | 24 | 13 | 11 | 20 | 8 | 11 |
| Snow days | 9 | 11 | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 3 |
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