January - WAUKEGAN HARBOR - Weather History and Averages

High Temperatures

On average, the day in January with the warmest high temperature in WAUKEGAN HARBOR is January 11 at an average of 35.1 °F (1.7 °C).

On average, the day in January with the coldest high temperature in WAUKEGAN HARBOR is January 20 at an average of 27.1 °F (-2.7 °C).

The warmest recorded high temperature in January in WAUKEGAN HARBOR was 63.3 °F (17.4 °C) on January 7 in the year 2008 at WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 .

The coldest recorded high temperature in January in WAUKEGAN HARBOR was -5.6 °F (-20.9 °C) on January 31 in the year 2019 at WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 .

On average, the day in January with the warmest low temperature in WAUKEGAN HARBOR is January 11 at an average of 23.8 °F (-4.6 °C).

On average, the day in January with the coldest low temperature in WAUKEGAN HARBOR is January 20 at an average of 14.6 °F (-9.6 °C).

The warmest recorded low temperature in WAUKEGAN HARBOR was 47.5 °F (8.6 °C) on January 11 in the year 2018 at WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 .

The coldest recorded low temperature in WAUKEGAN HARBOR was -22.5 °F (-30.3 °C) on January 30 in the year 2019 at WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 .

If you would like to see the temperatures for specific days, you can click on the corresponding links below: