January - MILWAUKEE - Weather History and Averages

High Temperatures

On average, the day in January with the warmest high temperature in MILWAUKEE is January 11 at an average of 34.4 °F (1.3 °C).

On average, the day in January with the coldest high temperature in MILWAUKEE is January 21 at an average of 26.7 °F (-3.0 °C).

The warmest recorded high temperature in January in MILWAUKEE was 56.7 °F (13.7 °C) on January 11 in the year 2018 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

The coldest recorded high temperature in January in MILWAUKEE was -3.8 °F (-19.9 °C) on January 31 in the year 2019 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

On average, the day in January with the warmest low temperature in MILWAUKEE is January 11 at an average of 24.1 °F (-4.4 °C).

On average, the day in January with the coldest low temperature in MILWAUKEE is January 21 at an average of 16.8 °F (-8.4 °C).

The warmest recorded low temperature in MILWAUKEE was 42.4 °F (5.8 °C) on January 5 in the year 2007 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

The coldest recorded low temperature in MILWAUKEE was -20.0 °F (-28.9 °C) on January 30 in the year 2019 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

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