Milwaukee Temperatures: Averages by Month
The numbers here tell you how hot and cold the weather usually is in Milwaukee, Wisconsin during each month of the year.
The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius.
Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.
To find out how often it rises over 60, 70 or 80 °F each month in Milwaukee, scroll down farther. There are also monthly and yearly counts of days with cold weather.
All the numbers are long-term historical averages based on climate data gathered from 1981 to 2010.
|High °F||Low °F||High °C||Low °C|
Days of Hot Weather in Milwaukee
A hot day at Milwaukee means highs in the 80s Fahrenheit. Just seven days a year on average reach into the 90s (above 32 °C). Once a decade, the thermometer makes it to 100 degrees F (38 °C).
The 90-degree weather can show up anytime from May to September. But July is when most of the hot weather happens.
How Often Milwaukee Has Cold Temperatures
Milwaukee averages seven nights a year when the temperature drops to 0 °F (-18 °C) or less.
About half of winter days here stay below freezing for the entire day. From late fall to early spring, the city typically has 52 frosty days.
National Climatic Data Center. NOAA's 1981-2010 Climate Normals.