December - MILWAUKEE - Weather History and Averages

High Temperatures

On average, the day in December with the warmest high temperature in MILWAUKEE is December 1 at an average of 41.6 °F (5.4 °C).

On average, the day in December with the coldest high temperature in MILWAUKEE is December 31 at an average of 32.8 °F (0.4 °C).

The warmest recorded high temperature in December in MILWAUKEE was 66.6 °F (19.2 °C) on December 16 in the year 2021 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

The coldest recorded high temperature in December in MILWAUKEE was 2.1 °F (-16.6 °C) on December 23 in the year 2022 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

On average, the day in December with the warmest low temperature in MILWAUKEE is December 2 at an average of 30.6 °F (-0.8 °C).

On average, the day in December with the coldest low temperature in MILWAUKEE is December 31 at an average of 21.5 °F (-5.8 °C).

The warmest recorded low temperature in MILWAUKEE was 47.5 °F (8.6 °C) on December 4 in the year 2012 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

The coldest recorded low temperature in MILWAUKEE was -8.5 °F (-22.5 °C) on December 23 in the year 2022 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: