January weather forecast
Germantown, WI

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Weather in January

January, the same as December, in Germantown, Wisconsin, is a freezing cold winter month, with an average temperature varying between 25.2°F (-3.8°C) and 14.4°F (-9.8°C).

Temperature

Germantown's January weather, marked by an average high temperature of 25.2°F (-3.8°C) and an average low temperature of 14.4°F (-9.8°C), is the coldest in the year.

Humidity

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

Rainfall

In Germantown, during January, the rain falls for 4.3 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Germantown, Wisconsin, during the entire year, the rain falls for 139.2 days and collects up to 25.28" (642mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Germantown. The month with the most snowfall in Germantown is January, when snow falls for 12.6 days and typically aggregates up to 4.02" (102mm) of snow.

Daylight

In January, the average length of the day in Germantown is 9h and 25min.
On the first day of January in Germantown, sunrise is at 7:24 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:02 pm CST.

Sunshine

With an average of 3.6h of sunshine, January has the least sunshine of the year in Germantown, Wisconsin.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the UV index of 1 transforms into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What are the coldest months in Germantown?

The lowest temperatures in Germantown, Wisconsin, are recorded in January, with averages reaching a high of 25.2°F (-3.8°C) and a low of 14.4°F (-9.8°C).

How cold is January in Germantown?

The average high-temperature and low-temperature in Germantown during January are 25.2°F (-3.8°C) and 14.4°F (-9.8°C) respectively.

What is the most humid month in Germantown?

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

What is the average humidity in January in Germantown?

The average relative humidity in January in Germantown is 87%.

How much does it rain in Germantown in January?

In Germantown, in January, it is raining for 4.3 days, with typically 1.3" (33mm) of accumulated precipitation.

When does it snow the most in Germantown?

January is the month with the most snowfall in Germantown. Snow falls for 12.6 days and accumulates 4.02" (102mm) of snow.

How many days does it snow in January in Germantown?

In Germantown, in January, during 12.6 snowfall days, 4.02" (102mm) of snow is typically accumulated.

How many hours of daylight does Germantown have in January?

In January, the average day length in Germantown, Wisconsin, is 9h and 25min.

When is the sunrise / sunset in January in Germantown?

On the first day of January, sunrise is at 7:24 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:02 pm CST.

What is the month with the least sunshine in Germantown?

January has the least sunshine of the year in Germantown, with an average of 3.6h of sunshine.

How many hours of sunshine does Germantown have in January?

In Germantown, Wisconsin, the average sunshine duration in January is 3.6h.

What are the months with the lowest UV index in Germantown?

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

How high is the UV index in January in Germantown?

In January, the average daily maximum UV index in Germantown, Wisconsin, is 1. A UV Index of 2, and less, symbolizes 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
Germantown, WI

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

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in January: 14.4°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure in January
Germantown, WI

Average pressure in January - Germantown, WI
  • Average pressure in January: 30.09"Hg

The months with the highest atmospheric pressure are January, February and 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
Germantown, WI

Average wind speed in January - Germantown, WI
  • Average wind speed in January: 11.1mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in January
Germantown, WI

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

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in January
Germantown, WI

Average rainfall in January - Germantown, WI
  • Average rainfall in January: 1.3"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in January
Germantown, WI

Average rainfall days in January - Germantown, WI
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in January
Germantown, WI

Average snowfall in January - Germantown, WI
  • Average snowfall in January: 4.02"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Germantown, WI

Average snowfall days in January - Germantown, WI
  • Average snowfall days in January: 12.6 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Germantown, 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 0min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in January
Germantown, WI

Average sunshine days in January - Germantown, WI
  • Average sunshine days in January: 14.5 days

The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).

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Average UV index in January
Germantown, WI

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

The month with the highest UV index is 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
Germantown, WI

Average cloud cover in January - Germantown, 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 July and August (Cloud cover 28).

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Average visibility in January
Germantown, WI

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

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

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Germantown, Wisconsin, USA

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