Madison Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Madison, 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 Madison, 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.

Average Madison temperatures
High °F Low °F   High °C Low °C
26 11 January -3 -12
31 15 February 0 -9
43 25 March 6 -4
57 36 April 14 2
68 46 May 20 8
78 56 June 26 13
82 61 July 28 16
79 59 August 26 15
72 50 September 22 10
59 39 October 15 4
44 28 November 7 -2
30 16 December -1 -9
56 37 Year 13 3

Days of Hot Weather in Madison

A hot day at Madison means highs in the 80s Fahrenheit. Just six 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 during any of the summer months, while 80-degree temperatures appear periodically from April to October.

Days per month in Madison of at least 60, 70 or 80 °F
  60 °F
16 °C
70 °F
21 °C
80 °F
27 °C
January 0 0 0
February 0 0 0
March 3 0 0
April 12 5 1
May 25 14 4
June 29 25 13
July 31 30 19
August 31 29 15
September 27 18 6
October 14 5 1
November 3 0 0
December 0 0 0
Year 176 126 58

How Often Madison Has Cold Temperatures

Negative temperatures are not uncommon in Madison during winter. The city averages 15 nights a year that drop to 0 °F or lower.

Most winter days never warm up to above freezing. Days with frosty weather begin to show up in late fall and can linger until early spring. In total, Madison averages 61 days a year with a high of 32 °F (0 °C) or less.

Days per month on average in Madison when the minimum temperature drops to 0, 10, or 20 °F or below
  0 °F
-18 °C
10 °F
-12 °C
20 °F
-8 °C
January 7 14 21
February 4 10 17
March 0 3 9
April 0 0 1
May 0 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 0
October 0 0 0
November 0 1 6
December 4 10 18
Year 15 37 72
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Wisconsin Temperatures
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