January weather forecast and climate
Madison, WI

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

What is the coldest month in Madison?

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

What is the temperature in January in Madison?

In Madison, Wisconsin, in January, the average high-temperature is 26.4°F (-3.1°C), and the average low-temperature is 11.1°F (-11.6°C).

How much does it rain in Madison in January?

In Madison, during January, the rain falls for 10.2 days and regularly aggregates up to 1.2" (31.2mm) of precipitation.

How many days does it snow in January in Madison?

In Madison, Wisconsin, in January, snow falls for 9.8 days, with typically accumulated 12.9" (327.7mm) of snow.
Average temperature in January - Madison, WI
  • Average high temperature in January: -3.1°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

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).

Average humidity in January - Madison, WI
  • Average humidity in January: 74.5%

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

Average rainfall in January - Madison, WI
  • Average rainfall in January: 31.2mm

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

Average rainfall days in January - Madison, WI
  • Average rainfall days in January: 10.2 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).

Average snowfall in January - Madison, WI
  • Average snowfall in January: 327.7mm

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

Average snowfall days in January - Madison, WI
  • Average snowfall days in January: 9.8 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).

Average daylight in January / Average sunshine in January - Madison, WI
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in January: 4.6h

Months with most sunshine are June and July (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 3.5h).

Average UV index in January - Madison, WI
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).

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