January weather forecast
Mountain, WI

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Weather in January

January, the same as December, in Mountain, Wisconsin, is another subzero cold winter month, with an average temperature ranging between max 21.6°F (-5.8°C) and min 10.8°F (-11.8°C).

Temperature

With average temperatures fluctuating between a high of 21.6°F (-5.8°C) and a low of 10.8°F (-11.8°C), January stands out as the coldest month.

Humidity

January and February, with an average relative humidity of 89%, are the most humid months in Mountain.

Rainfall

The months with the least rainfall in Mountain are January and February Rain falls for 3.8 days and accumulates 0.87" (22mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In Mountain, in January, during 14.7 snowfall days, 5.63" (143mm) of snow is typically accumulated. In Mountain, during the entire year, snow falls for 66.5 days and aggregates up to 28.9" (734mm) of snow.

Daylight

In January, the average length of the day in Mountain is 9h and 13min.
On the first day of the month, sunrise is at 7:32 am and sunset at 4:21 pm. On the last day of January, in Mountain, sunrise is at 7:15 am and sunset at 4:59 pm CST.

Sunshine

The average sunshine in January is 3.4h.

UV index

January, March and November, with an average maximum UV index of 1, are months with the lowest UV index in Mountain. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 1 during January leads to these advisories:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the coldest month in Mountain?

January, having an average high-temperature of 21.6°F (-5.8°C) and an average low-temperature of 10.8°F (-11.8°C), is the coldest month.

How cold is January in Mountain?

Mountain in January has an average high-temperature of 21.6°F (-5.8°C) and an average low-temperature of 10.8°F (-11.8°C).

What is the most humid month in Mountain?

The months with the highest humidity are January and February, with an average relative humidity of 89%.

What is the average humidity in January in Mountain?

In January, the average relative humidity in Mountain is 89%.

What is the driest month in Mountain?

January and February are months with the least rain in Mountain when the rain falls for 3.8 days and typically aggregates up to 0.87" (22mm) of rain.

How much does it rain in Mountain in January?

In Mountain, in January, it is raining for 3.8 days, with typically 0.87" (22mm) of accumulated precipitation.

How much does it snow in Mountain in January?

In Mountain, during January, snow falls for 14.7 days and regularly aggregates up to 5.63" (143mm) of snow.

How many hours of daylight does Mountain have in January?

In Mountain, the average day length in January is 9h and 13min.

What time are sunrise and sunset in January in Mountain?

On the first day of January in Mountain, Wisconsin, sunrise is at 7:32 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:59 pm CST.

How many hours of sunshine does Mountain have in January?

In January, the average sunshine duration in Mountain is 3.4h.

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

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

What is the UV index reading in January in Mountain?

In January, the average daily maximum UV index in Mountain is 1. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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
Mountain, WI

Average temperature in January - Mountain, WI
  • Average high temperature in January: 21.6°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in January
Mountain, WI

Average pressure in January - Mountain, WI
  • Average pressure in January: 30.06"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Mountain, WI

Average wind speed in January - Mountain, WI
  • Average wind speed in January: 8.2mph

The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in January
Mountain, WI

Average humidity in January - Mountain, WI
  • Average humidity in January: 89%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (73%).

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Average rainfall in January
Mountain, WI

Average rainfall in January - Mountain, WI
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and February (0.87").

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Average rainfall days in January
Mountain, WI

Average rainfall days in January - Mountain, WI
  • Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall in January
Mountain, WI

Average snowfall in January - Mountain, WI
  • Average snowfall in January: 5.63"

The month with the highest snowfall is December (6.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Mountain, WI

Average snowfall days in January - Mountain, WI
  • Average snowfall days in January: 14.7 days

The month with the highest number of snowfall days is January (14.7 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
Mountain, WI

Average daylight in January / Average sunshine in January - Mountain, WI
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

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Average sunshine days in January
Mountain, WI

Average sunshine days in January - Mountain, WI
  • Average sunshine days in January: 16.8 days

The months with the most sunshine days are September and December (16.9 days).
The month with the least sunshine days is April (12.8 days).

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Average UV index in January
Mountain, WI

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March and November (UV index 1).

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Average cloud cover in January
Mountain, WI

Average cloud cover in January - Mountain, WI
  • Average cloud cover in January: 65

The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in January
Mountain, WI

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

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

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Mountain, Wisconsin, USA

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