Milwaukee - Temperature Averages by Decade





Summarized here are the temperatures extending over eight decades at Milwaukee, Wisconsin. Listed for every decade from the 1940s to the 2010s are averages for maximum and minimum daily temperatures in degrees Fahrenheit and Celsius. That's followed with information on the number of hot and cold days.

Each decade covers a standard 10-year range. For instance the 1990s includes weather measurements from Jan 1, 1990 to Dec 31, 1999. All the temperature data were collected at Mitchell International Airport near downtown Milwaukee.

High Temperature for Each Decade

Average daily maximum temperature at Milwaukee
High °F Decade High °C
56.7 2010s 13.7
56.1 2000s 13.4
56.4 1990s 13.6
55.1 1980s 12.8
54.0 1970s 12.2
54.6 1960s 12.6
55.4 1950s 13.0
55.3 1940s 12.9

Low Temperature for Each Decade

Average daily minimum temperature at Milwaukee
Low °F Decade Low °C
41.1 2010s 5.1
40.5 2000s 4.7
40.7 1990s 4.9
38.7 1980s 3.7
37.9 1970s 3.3
36.9 1960s 2.7
38.2 1950s 3.5
38.2 1940s 3.4

Hot Days per Decade

Total days per year on average when the temperature in Milwaukee reached at least 70 or 90 °F
Decade 70 °F
21 °C
90 °F
32 °C
2010s 125 10
2000s 119 7
1990s 118 10
1980s 114 11
1970s 111 8
1960s 114 8
1950s 119 11
1940s 116 11

Cold Days per Decade

Total days per year on average when the temperature in Milwaukee dropped to 0 or 32 °F or lower
Decade 0 °F
-18 °C
32 °F
0 °C
2010s 6 122
2000s 5 124
1990s 7 124
1980s 13 136
1970s 16 141
1960s 15 149
1950s 12 143
1940s 13 137
Reference

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information.

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