May - MILWAUKEE - Weather History and Averages

High Temperatures

On average, the day in May with the warmest high temperature in MILWAUKEE is May 31 at an average of 68.2 °F (20.1 °C).

On average, the day in May with the coldest high temperature in MILWAUKEE is May 5 at an average of 55.4 °F (13.0 °C).

The warmest recorded high temperature in May in MILWAUKEE was 87.8 °F (31.0 °C) on May 14 in the year 2007 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

The coldest recorded high temperature in May in MILWAUKEE was 39.4 °F (4.1 °C) on May 4 in the year 2020 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

On average, the day in May with the warmest low temperature in MILWAUKEE is May 31 at an average of 52.1 °F (11.2 °C).

On average, the day in May with the coldest low temperature in MILWAUKEE is May 1 at an average of 44.3 °F (6.8 °C).

The warmest recorded low temperature in MILWAUKEE was 66.6 °F (19.2 °C) on May 2 in the year 2021 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

The coldest recorded low temperature in MILWAUKEE was 31.6 °F (-0.2 °C) on May 9 in the year 2020 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: