January weather forecast
Madison, WI

The State Capitol building in Madison, Wisconsin, on a beautiful spring evening
The State Capitol building in Madison, Wisconsin, on a beautiful spring evening

Weather in January

January, like December, is a freezing cold winter month in Madison, Wisconsin, with an average temperature ranging between max 23.9°F (-4.5°C) and min 10.8°F (-11.8°C).

Temperature

The coldest month is January, with an average high-temperature of 23.9°F (-4.5°C) and an average low-temperature of 10.8°F (-11.8°C).

Humidity

The months with the highest humidity in Madison are January and February, with an average relative humidity of 88%.

Rainfall

The months with the least rainfall in Madison are January, March, November and December Rain falls for 1.1 days and accumulates 0.24" (6mm) of rain.

Snowfall

January through April, October through December are months with snowfall. In Madison, during January, snow falls for 5.6 days and regularly aggregates up to 0.87" (22mm) of snow. Throughout the year, in Madison, there are 22.6 snowfall days, and 2.83" (72mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 26min.
On the first day of the month, sunrise is at 7:29 am and sunset at 4:33 pm. On the last day of January, in Madison, Wisconsin, sunrise is at 7:13 am and sunset at 5:08 pm CST.

Sunshine

The month with the least sunshine in Madison is January, with an average of 3.3h of sunshine.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Madison?

With an average high-temperature of 23.9°F (-4.5°C) and an average low-temperature of 10.8°F (-11.8°C), January is the coldest month.

What is the temperature in January in Madison?

In January, the average high-temperature is 23.9°F (-4.5°C), and the average low-temperature is 10.8°F (-11.8°C).

What is the most humid month in Madison?

January and February, with an average relative humidity of 88%, are most humid months.

What is the average humidity in January in Madison?

In January, the average relative humidity in Madison, Wisconsin, is 88%.

What is the driest month in Madison?

January, March, November and December are months with the least rain in Madison when the rain falls for 1.1 days and typically aggregates up to 0.24" (6mm) of rain.

How much does it rain in Madison in January?

In January, in Madison, the rain falls for 1.1 days. Throughout January, 0.24" (6mm) of precipitation is accumulated.

How much does it snow in Madison in January?

In January, in Madison, Wisconsin, it is snowing for 5.6 days. Throughout January, 0.87" (22mm) of snow is accumulated.

What is the average length of the day in January in Madison?

In Madison, the average day length in January is 9h and 26min.

What time are sunrise and sunset in January in Madison?

In January, on the first day of the month, sunrise is at 7:29 am and sunset at 4:33 pm. On the last day of the month, in Madison, sunrise is at 7:13 am and sunset at 5:08 pm CST.

What is the month with the least sunshine in Madison?

The month with the least sunshine in Madison is January, with an average of 3.3h of sunshine.

How many hours of sunshine does Madison have in January?

In January, the average sunshine duration is 3.3h.

When is the lowest UV index in Madison?

The months with the lowest UV index in Madison, Wisconsin, are January, November and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Madison?

In Madison, Wisconsin, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Madison, WI

Average temperature in January - Madison, WI
  • Average high temperature in January: 23.9°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in January
Madison, WI

Average pressure in January - Madison, WI
  • Average pressure in January: 30.11"Hg

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Madison, WI

Average wind speed in January - Madison, WI
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in January
Madison, WI

Average humidity in January - Madison, WI
  • Average humidity in January: 88%

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall in January
Madison, WI

Average rainfall in January - Madison, WI
  • Average rainfall in January: 0.24"

The wettest month (with the highest rainfall) is July (0.63").
The driest months (with the least rainfall) are January, March, November and December (0.24").

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Average rainfall days in January
Madison, WI

Average rainfall days in January - Madison, WI
  • Average rainfall days in January: 1.1 days

The month with the highest number of rainy days is June (6.7 days).
The month with the least rainy days is January (1.1 days).

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Average snowfall in January
Madison, WI

Average snowfall in January - Madison, WI
  • Average snowfall in January: 0.87"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Madison, WI

Average snowfall days in January - Madison, WI
  • Average snowfall days in January: 5.6 days

The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Madison, WI

Average daylight in January / Average sunshine in January - Madison, WI
  • Average daylight in January: 9h and 26min

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in January: 3h and 18min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in January
Madison, WI

Average sunshine days in January - Madison, WI
  • Average sunshine days in January: 26.7 days

The month with the most sunshine days is December (27 days).
The month with the least sunshine days is June (19.8 days).

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Average UV index in January
Madison, WI

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in January
Madison, WI

Average cloud cover in January - Madison, WI
  • Average cloud cover in January: 66

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in January
Madison, WI

Average visibility in January - Madison, WI
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).

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