Madison, WI Climate

Summary Graph

The summary climate graph for Madison, WI shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. Click on each of the measures in the key to toggle them on and off.

Graph of average and extreme temperature ranges by day for Madison, WI.


The warmest month in Dane Co Regional Truax Field, Madison, Wisconsin is July with an average high temperature of 84.6°F. The hottest day on record was July 11 1976 when the temperature hit 104.0°F. During January the overnight temperature drops to an average of 9.8°F with the lowest temperature of -36.0°F being recorded on January 30 1951.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

11 Jul 1976104°F
6 Jul 2012104°F
18 Aug 1988102°F
15 Jul 1977101.8°F
21 Aug 1955101.3°F

The warmest months on average were:

July 201293.5°F
July 195591.7°F
July 197691.4°F
July 198889.1°F
August 195589.1°F

The coldest days on record are:

30 Jan 1951-36°F
15 Jan 1963-29.6°F
16 Jan 1979-28.1°F
2 Feb 1985-27.9°F
3 Feb 1996-27.9°F

The coldest months on average were:

January 1977-7.8°F
January 1982-3.2°F
January 1963-2.6°F
January 1979-1.6°F
January 1994-0.9°F


The wettest month by average rainfall in Madison, WI is July with an average of 4.8 inches of rain falling on 11 to 12 days.Although in May it typically rains on more days with 3.6 inches falling in 13 to 14 days. The driest month in Madison, WI is February with an average of 1.3 inches of rain falling on 4 to 5 days.

Wettest Days

The wettest days on record are:

18 September 199210.7 inches
23 September 20093.7 inches
12 September 19612.7 inches
18 September 19602.2 inches
18 September 19782.2 inches

Wettest Months

The wettest months on record are:

September 199252.6 inches
July 199229.4 inches
August 199228.3 inches
August 200716.6 inches
July 199313.1 inches

Driest Months

The driest months on record are:

January 19480 inches
December 19850 inches
October 19850 inches
November 19850 inches
September 19850 inches