January weather - Winter 2024

Weather in January
Frequently asked questions
Average temperature in January
Average pressure in January
Average wind speed in January
Average humidity in January
Average rainfall in January
Average rainfall days in January
Average snowfall in January
Average snowfall days in January
Average daylight in January
Average sunshine in January
Average sunshine days in January
Average UV index in January
Average cloud cover in January
Average visibility in January

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

Weather in January

January brings the coldest weather to Madison, Wisconsin with average high and low temperatures standing at 23.9°F (-4.5°C) and 10.8°F (-11.8°C) respectively. This wintry climate is accompanied by a substantial amount of snowfall. The relatively short daylight hours, peaking at 9.4 hours, offer limited sunshine further characterizing this winter month. Post New Year celebrations, the city seems to be enveloped in a white blanket of snow. Low visibility due to high humidity and overcast skies are common, making it an ideal time for indoor activities.

Temperature

The coldest temperatures in Madison occur during January, when averages reach a peak of 23.9°F (-4.5°C) and a low of 10.8°F (-11.8°C).

Humidity

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

Rainfall

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

Snowfall

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

Daylight

In Madison, 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, 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 in Madison. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

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Frequently asked questions

What month is the coldest in Madison?

January, noted for its average high-temperature of 23.9°F (-4.5°C) and an average low-temperature of 10.8°F (-11.8°C), is considered the coldest month in Madison.

How cold is January in Madison?

The high-temperature in Madison during January is 23.9°F (-4.5°C) and the low-temperature is 10.8°F (-11.8°C).

What are the most humid months in Madison?

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

What is the average humidity in January in Madison?

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

What is the driest month in Madison?

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

How many days does it rain in January in Madison?

In Madison, Wisconsin, in January, during 1.1 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

How many days does it snow in January in Madison?

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

How many hours of daylight does Madison have in January?

The average day length in January in Madison, Wisconsin, is 9h and 26min.

When are sunrise and sunset in January in Madison?

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

What is the month with the least sunshine in Madison?

January has the least sunshine of the year in Madison, with an average of 3.3h of sunshine.

How long on average sun shines in January in Madison?

In Madison, the average sunshine duration in January is 3.3h.

What is the month with the lowest UV index in Madison?

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

What is the UV index intensity in January in Madison?

In January, the average daily maximum UV index in Madison, Wisconsin, is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

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

Dec

January

Feb

Average high temperature

30.4°F -0.9°C

23.9°F -4.5°C

27.3°F -2.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.1mph 16.3km/h

10.4mph 16.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

26.7

24.1

Average UV index

Average cloud cover

Average visibility

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: 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: 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: 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: 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: 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: 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: 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: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

Average sunshine in January: 3h and 2min

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: 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: 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: 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: 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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January weather forecast
Madison, WI

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