Climate

Madison weather by month

Average highs, lows, rain and snow for every month, from 30 years of weather records.

Average temperatures

Best time to visit: May, August, September, when highs are mild and rain is lightest.

Month	High	Low	Rain	Snow	Wet days
January	27°F	12°F	1.5 in	13.7 in	11
February	31°F	15°F	1.5 in	12.8 in	10
March	44°F	25°F	2.3 in	7.0 in	11
April	57°F	36°F	3.8 in	2.6 in	13
May	69°F	47°F	4.1 in	0.10 in	13
June	79°F	57°F	5.3 in	0.00 in	12
July	82°F	62°F	4.5 in	0.00 in	10
August	80°F	60°F	4.2 in	0.00 in	9
September	73°F	51°F	3.4 in	0.00 in	9
October	60°F	40°F	2.8 in	0.60 in	10
November	45°F	29°F	2.2 in	3.0 in	10
December	32°F	18°F	1.6 in	12.0 in	10

NOAA U.S. Climate Normals 1991–2020, Madison Dane Rgnl Ap, Wi Us (5 mi away, 866 ft). Wet days: days with at least 0.01 in of precipitation.

What is the hottest month in Madison?

July, with an average high of 82°F and low of 62°F.

What is the coldest month in Madison?

January, with an average low of 12°F and high of 27°F.

When does it rain most in Madison?

June is the wettest month, averaging 5.3 in of precipitation; the year totals about 37.2 inches.

Does it snow in Madison?

Yes. Snowfall averages about 52 inches a year, mostly in January and February.

What is the best time to visit Madison?

For mild weather (highs between 65°F and 85°F) with the least rain, May, August, September.

Where do these numbers come from?

NOAA’s 1991–2020 U.S. Climate Normals for the Madison Dane Rgnl Ap weather station, 5 miles from downtown: 30-year averages, not a forecast.