January weather forecast
Pewaukee, WI

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Weather in January

January, like December, is another subzero cold winter month in Pewaukee, Wisconsin, with an average temperature varying between 25.2°F (-3.8°C) and 13.6°F (-10.2°C).

Temperature

Pewaukee's temperature records reveal January as the coldest month, marked by average highs of 25.2°F (-3.8°C) and lows of 13.6°F (-10.2°C).

Humidity

With an average relative humidity of 87%, January is the most humid month in Pewaukee.

Rainfall

In Pewaukee, in January, it is raining for 5.4 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 149.2 rainfall days, and 28.54" (725mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Pewaukee. The month with the most snowfall in Pewaukee is January, when snow falls for 15.4 days and typically aggregates up to 5.43" (138mm) of snow.

Daylight

The average length of the day in January in Pewaukee, Wisconsin, is 9h and 26min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:28 pm. On the last day of January, in Pewaukee, sunrise is at 7:09 am and sunset at 5:03 pm CST.

Sunshine

With an average of 3.5h of sunshine, January has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What month is the coldest in Pewaukee?

January, characterized by an average high temperature of 25.2°F (-3.8°C) and a low temperature of 13.6°F (-10.2°C), is generally the coldest month in Pewaukee.

How cold is January in Pewaukee?

In Pewaukee, 25.2°F (-3.8°C) is the average high-temperature and 13.6°F (-10.2°C) is the average low-temperature during January.

What is the most humid month in Pewaukee?

The most humid month in Pewaukee is January, with an average relative humidity of 87%.

What is the average humidity in January in Pewaukee?

In January, the average relative humidity in Pewaukee is 87%.

How much does it rain in Pewaukee in January?

In Pewaukee, Wisconsin, in January, during 5.4 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

What is the snowiest month in Pewaukee?

The month with the most snowfall in Pewaukee, Wisconsin, is January, when snow falls for 15.4 days and typically aggregates up to 5.43" (138mm) of snow.

How many days does it snow in January in Pewaukee?

In Pewaukee, Wisconsin, during January, snow falls for 15.4 days and regularly aggregates up to 5.43" (138mm) of snow.

How many hours of daylight does Pewaukee have in January?

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

When are sunrise and sunset in January in Pewaukee?

On the first day of January in Pewaukee, sunrise is at 7:24 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:03 pm CST.

What is the month with the least sunshine in Pewaukee?

With an average of 3.5h of sunshine, January has the least sunshine of the year in Pewaukee.

How many hours of sunshine does Pewaukee have in January?

The average sunshine duration in January is 3.5h.

When is the lowest UV index in Pewaukee?

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

What is the UV index intensity in January in Pewaukee?

In Pewaukee, the average daily maximum UV index in January 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
Pewaukee, WI

Average temperature in January - Pewaukee, WI
  • Average high temperature in January: 25.2°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in January: 13.6°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in January
Pewaukee, WI

Average pressure in January - Pewaukee, WI
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Pewaukee, WI

Average wind speed in January - Pewaukee, WI
  • Average wind speed in January: 10.5mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in January
Pewaukee, WI

Average humidity in January - Pewaukee, WI
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall in January
Pewaukee, WI

Average rainfall in January - Pewaukee, WI
  • Average rainfall in January: 1.54"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").

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Average rainfall days in January
Pewaukee, WI

Average rainfall days in January - Pewaukee, WI
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in January
Pewaukee, WI

Average snowfall in January - Pewaukee, WI
  • Average snowfall in January: 5.43"

The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Pewaukee, WI

Average snowfall days in January - Pewaukee, WI
  • Average snowfall days in January: 15.4 days

The month with the highest number of snowfall days is January (15.4 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
Pewaukee, WI

Average daylight in January / Average sunshine in January - Pewaukee, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in January
Pewaukee, WI

Average sunshine days in January - Pewaukee, WI
  • Average sunshine days in January: 12.1 days

The month with the most sunshine days is November (15.9 days).
The months with the least sunshine days are June and July (10.3 days).

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Average UV index in January
Pewaukee, WI

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Pewaukee, WI

Average cloud cover in January - Pewaukee, WI
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in January
Pewaukee, WI

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

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

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Pewaukee, Wisconsin, USA

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