Madison, WI - Detailed climate information and monthly weather forecast

Frequently asked questions
Average temperature
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average UV index

A view of the State Capitol building in Madison, Wisconsin, on a beautiful spring evening

What is the coldest month in Madison?

With an average high-temperature of 26.4°F (-3.1°C) and an average low-temperature of 11.1°F (-11.6°C), January is the coldest month in Madison, Wisconsin.

How many days does it rain in Madison?

Throughout the year, there are 124.8 rainfall days, and 34.5" (875.9mm) of precipitation is accumulated.

What is the driest month in Madison?

January is the month with the least rainfall in Madison, Wisconsin. Rain falls for 10.2 days and accumulates 1.2" (31.2mm) of precipitation.

When does it snow in Madison?

January through May, October through December are months with snowfall.

How many days does it snow in Madison?

Throughout the year, there are 38.7 snowfall days, and 50.9" (1292.8mm) of snow is accumulated.

What is the wettest month in Madison?

The month with the most rainfall is June when the rain falls for 11.1 days and typically aggregates up to 4.5" (115.3mm) of precipitation.

What is the warmest month in Madison?

The warmest month in Madison is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61°F (16.1°C).

What is the snowiest month in Madison?

The month with the most snowfall in Madison is December when snow falls for 8.7 days and typically aggregates up to 13.5" (342.9mm) of snow.

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Long-term

Climate J F M A M J J A S O N D Year

Average high temperature in January:
-3.1°C
Average high temperature in February:
-0.5°C
Average high temperature in March:
6.2°C
Average high temperature in April:
14.1°C
Average high temperature in May:
20.2°C
Average high temperature in June:
25.5°C

Average high temperature in July:
27.6°C
Average high temperature in August:
26.3°C
Average high temperature in September:
22.1°C
Average high temperature in October:
14.9°C
Average high temperature in November:
6.7°C
Average high temperature in December:
-1°C

The warmest month (with the highest average high temperature) is July (27.6°C).
The month with the lowest average high temperature is January (-3.1°C).

Average low temperature in January:
-11.6°C
Average low temperature in February:
-9.4°C
Average low temperature in March:
-4°C
Average low temperature in April:
2.1°C
Average low temperature in May:
7.8°C
Average low temperature in June:
13.4°C

Average low temperature in July:
16.1°C
Average low temperature in August:
15°C
Average low temperature in September:
10.1°C
Average low temperature in October:
3.8°C
Average low temperature in November:
-2.1°C
Average low temperature in December:
-8.9°C

The month with the highest average low temperature is July (16.1°C).
The coldest month (with the lowest average low temperature) is January (-11.6°C).

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The month with the highest relative humidity is December (78.5%).
The month with the lowest relative humidity is May (65.8%).

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The wettest month (with the highest rainfall) is June (115.3mm).
The driest month (with the lowest rainfall) is January (31.2mm).

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Average rainfall days in January:
10.2 days
Average rainfall days in February:
9.2 days
Average rainfall days in March:
10.5 days
Average rainfall days in April:
12.1 days
Average rainfall days in May:
11.9 days
Average rainfall days in June:
11.1 days

Average rainfall days in July:
10.6 days
Average rainfall days in August:
9.4 days
Average rainfall days in September:
9.3 days
Average rainfall days in October:
9.8 days
Average rainfall days in November:
10.6 days
Average rainfall days in December:
10.1 days

The month with the highest number of rainy days is April (12.1 days).
The month with the lowest number of rainy days is February (9.2 days).

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The month with the highest snowfall is December (342.9mm).
Months with the lowest snowfall are June, July, August and September (0mm).

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Average snowfall days in January:
9.8 days
Average snowfall days in February:
7.9 days
Average snowfall days in March:
5.8 days
Average snowfall days in April:
2 days
Average snowfall days in May:
0.2 days
Average snowfall days in June:
0 days

Average snowfall days in July:
0 days
Average snowfall days in August:
0 days
Average snowfall days in September:
0 days
Average snowfall days in October:
0.5 days
Average snowfall days in November:
3.8 days
Average snowfall days in December:
8.7 days

The month with the highest number of snowfall days is January (9.8 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

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