January weather forecast
Mountain, WI

Weather in January

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

Temperature

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

Humidity

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

Rainfall

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

Snowfall

January through May, October through December are months with snowfall. In Mountain, during 14.7 snowfall days, 5.63" (143mm) of snow is typically accumulated. Throughout the year, there are 66.5 snowfall days, and 28.9" (734mm) of snow is accumulated.

Daylight

The average length of the day in January is 9.2h.

Sunshine

The average sunshine in Mountain 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 reading of 2, and below, represents a low threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 1 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Mountain?

The coldest month in Mountain is January, with an average high-temperature of 21.6°F (-5.8°C) and an average low-temperature of 10.8°F (-11.8°C).

What are the most humid months in Mountain?

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

What is the driest month in Mountain?

Months with the least rainfall in Mountain are January and February Rain falls for 3.8 days and accumulates 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 many days does it snow in January in Mountain?

In Mountain, Wisconsin, in January, snow falls for 14.7 days, with typically accumulated 5.63" (143mm) of snow.

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

The average length of the day in January in Mountain is 9.2h.

How many hours of sunshine does Mountain have in January?

In January, the average sunshine 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?

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

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"

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

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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%

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").
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).
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: 9.2h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in January: 3.4h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 3.3h).

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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

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

Months with the highest UV index are June, July and August (UV index 5).
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

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

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