January weather forecast
Germantown, WI

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Weather in January

January, the same as December, in Germantown, Wisconsin, is another subzero cold winter month, with an average temperature fluctuating between 25.2°F and 14.4°F.

Temperature

The month of January sees the lowest average temperatures, reaching 25.2°F at the peak and 14.4°F at the low.

Humidity

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

Rainfall

In January, in Germantown, Wisconsin, the rain falls for 4.3 days. Throughout January, 1.3" of precipitation is accumulated. Throughout the year, in Germantown, there are 139.2 rainfall days, and 25.28" of precipitation is accumulated.

Snowfall

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

Daylight

In Germantown, the average length of the day in January is 9h and 25min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:27 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:02 pm CST.

Sunshine

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

UV index

January, November 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 health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 1 suggests this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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FAQ

What time of the year is the coldest in Germantown?

January tends to be the coldest month in Germantown, with temperatures averaging a daily high of 25.2°F and a low of 14.4°F.

How cold is January in Germantown?

The high-temperature, in January, in Germantown, is 25.2°F, while the low-temperature averages to 14.4°F.

What is the most humid month in Germantown?

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

What is the average humidity in January in Germantown?

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

How much does it rain in Germantown in January?

In Germantown, in January, during 4.3 rainfall days, 1.3" of precipitation is typically accumulated.

When does it snow the most 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" of snow.

How many days does it snow in January in Germantown?

In Germantown, in January, snow falls for 12.6 days, with typically accumulated 4.02" of snow.

How many hours of daylight does Germantown have in January?

In Germantown, the average day length in January 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 7:08 am and sunset at 5:02 pm CST.

What is the month with the least sunshine in Germantown?

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

How long on average sun shines in January in Germantown?

The average sunshine duration in January in Germantown is 3.6h.

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

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

What is the UV index intensity in January in Germantown?

In Germantown, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
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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