Madison, WI Weather

Madison, along with the rest of the state, has a humid continental climate , characterized by variable weather patterns and a large seasonal temperature variance: winter temperatures can be well below freezing, with moderate to occasionally heavy snowfall and temperatures reaching 0 °F or −17.8 °C on 17 mornings annually; high temperatures in summer average in the lower 80s °F (27–28 °C), reaching 90 °F or 32.2 °C on an average 12 afternoons per year, with lower humidity levels than winter but higher than spring. Summer accounts for a greater proportion of annual rainfall, but winter still sees significant precipitation.

Average Temperature
Jan
25 °F
-4 °C
Feb
32 °F
0 °C
Mar
41 °F
5 °C
Apr
58 °F
14 °C
May
64 °F
18 °C
Jun
75 °F
24 °C
Jul
82 °F
28 °C
Aug
76 °F
25 °C
Sep
73 °F
23 °C
Oct
60 °F
16 °C
Nov
41 °F
5 °C
Dec
36 °F
2 °C
Humidity
Jan
83%
Feb
79%
Mar
75%
Apr
74%
May
79%
Jun
79%
Jul
84%
Aug
83%
Sep
84%
Oct
82%
Nov
79%
Dec
81%
Rain
Jan
38mm
Feb
46mm
Mar
40mm
Apr
92mm
May
102mm
Jun
133mm
Jul
164mm
Aug
66mm
Sep
117mm
Oct
96mm
Nov
32mm
Dec
24mm
Clouds
Jan
67%
Feb
73%
Mar
50%
Apr
56%
May
70%
Jun
42%
Jul
32%
Aug
31%
Sep
58%
Oct
57%
Nov
70%
Dec
58%
Air quality US AQI
Jan
33
Feb
30
Mar
26
Apr
27
May
29
Jun
34
Jul
31
Aug
32
Sep
26
Oct
23
Nov
30
Dec
36
Sun
Jan
1UVI
Feb
2UVI
Mar
3UVI
Apr
5UVI
May
5UVI
Jun
6UVI
Jul
8UVI
Aug
7UVI
Sep
5UVI
Oct
3UVI
Nov
2UVI
Dec
1UVI