Average annual temperature is 10.6 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -20.8 °C
Number of sunny days: 176 days
Number of rainy days: 173 days
Number of snow days: 16 days
Look at detailed online map of Township of Waukegan
* Weather data for Township of Waukegan 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) | 8.8 | 13.3 | 20.0 | 25.5 | 27.7 | 30.4 | 31.6 | 37.8 | 34.4 | 27.2 | 19.3 | 12.9 |
| Average daytime temperature (°C) | 2.5 | 4.5 | 6.1 | 14.5 | 18.5 | 24.3 | 26.5 | 26.3 | 22.6 | 16.4 | 9.3 | 5.9 |
| Average temperature (°C) | -0.9 | -0.4 | 2.0 | 9.1 | 13.6 | 19.0 | 22.1 | 21.9 | 19.2 | 12.6 | 5.0 | 3.0 |
| Average night temperature (°C) | -3.2 | -4.3 | -1.1 | 4.6 | 9.4 | 14.9 | 18.5 | 18.3 | 16.3 | 9.6 | 1.8 | 1.0 |
| Absolute minimum temperature (°C) | -20.6 | -20.8 | -11.1 | -1.0 | 1.7 | 7.8 | 14.5 | 13.7 | 11.8 | -1.8 | -10.1 | -7.2 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 3.3 | 7.7 | 6.5 | 8.7 | 10.6 | 11.8 | 11.6 | 10.4 | 8.0 | 6.4 | 6.8 | 3.6 |
| Precipitation (mm) | 61 | 106 | 90 | 94 | 31 | 37 | 112 | 112 | 88 | 98 | 51 | 71 |
| Sunny days | 12 | 17 | 9 | 14 | 20 | 20 | 10 | 15 | 12 | 10 | 22 | 15 |
| Rainy days | 12 | 9 | 18 | 16 | 11 | 10 | 21 | 16 | 18 | 20 | 7 | 15 |
| Snow days | 7 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
The best time to visit Township of Waukegan during the most sunny months:
The largest precipitation sum in Township of Waukegan is at