January weather forecast
Whitefish Bay, WI

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Weather in January

January, the same as December, in Whitefish Bay, Wisconsin, is another subzero cold winter month, with temperature in the range of an average low of 17.1°F (-8.3°C) and an average high of 26.8°F (-2.9°C).

Temperature

With average high and low temperatures of 26.8°F (-2.9°C) and 17.1°F (-8.3°C) respectively, January is Whitefish Bay's coldest month.

Humidity

January is the most humid month in Whitefish Bay, with an average relative humidity of 85%.

Rainfall

In January, the rain falls for 5.5 days. Throughout January, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 129.5 rainfall days, and 18.62" (473mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. January is the month with the most snowfall in Whitefish Bay. Snow falls for 12.8 days and accumulates 2.17" (55mm) of snow.

Ocean temperature

In January, the average ocean temperature is 37.4°F (3°C).
Note: In the activity of swimming, this is perceived as lethal and exceedingly dangerous. The cold water elicits sharp pain and instant hyperventilation. A specialized swimsuit is crucial to mitigate thermal detriment.

Daylight

In January, the average length of the day is 9h and 26min.
On the first day of January, sunrise is at 7:23 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:01 pm CST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Whitefish Bay. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Always opt for UVA and UVB-resistant sunglasses on radiant days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What time of the year is the coldest in Whitefish Bay?

During the coldest month in Whitefish Bay, January, temperatures average a high of 26.8°F (-2.9°C) and a low of 17.1°F (-8.3°C).

How cold is January in Whitefish Bay?

The high-temperature in Whitefish Bay, Wisconsin, during January is 26.8°F (-2.9°C) and the low-temperature is 17.1°F (-8.3°C).

What is the most humid month in Whitefish Bay?

The most humid month in Whitefish Bay, Wisconsin, is January, with an average relative humidity of 85%.

What is the average humidity in January in Whitefish Bay?

In Whitefish Bay, the average relative humidity in January is 85%.

How much does it rain in Whitefish Bay in January?

In Whitefish Bay, Wisconsin, during January, the rain falls for 5.5 days and regularly aggregates up to 0.75" (19mm) of precipitation.

What is the snowiest month in Whitefish Bay?

January is the month with the most snowfall in Whitefish Bay, Wisconsin. Snow falls for 12.8 days and accumulates 2.17" (55mm) of snow.

How much does it snow in Whitefish Bay in January?

In Whitefish Bay, in January, during 12.8 snowfall days, 2.17" (55mm) of snow is typically accumulated.

What is the ocean temperature in January in Whitefish Bay?

In January, the average ocean temperature in Whitefish Bay, Wisconsin, is 37.4°F (3°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the average length of the day in January in Whitefish Bay?

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

What time are sunrise and sunset in January in Whitefish Bay?

In January, on the first day of the month, sunrise is at 7:23 am and sunset at 4:26 pm. On the last day of the month, in Whitefish Bay, sunrise is at 7:07 am and sunset at 5:01 pm CST.

What is the month with the least sunshine in Whitefish Bay?

The month with the least sunshine is January, with an average of 3.6h of sunshine.

How many hours of sunshine does Whitefish Bay have in January?

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

What is the month with the lowest UV index in Whitefish Bay?

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

What is the UV index intensity in January in Whitefish Bay?

In January, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32.9°F 0.5°C
26.8°F -2.9°C
28.9°F -1.7°C
Average low temperature
25°F -3.9°C
17.1°F -8.3°C
19.4°F -7°C
Average pressure
30.08" 764mmHg
30.09" 764mmHg
30.09" 764mmHg
Average wind speed
11.8mph 19km/h
12.6mph 20.3km/h
12.2mph 19.6km/h
Average max. wind speed
12.6mph 20.3km/h
13.2mph 21.2km/h
12.9mph 20.8km/h
Average wind speed gusts
17.4mph 28km/h
18.3mph 29.5km/h
18.3mph 29.5km/h
Average humidity
81%
85%
83%
Average rainfall
0.71" 18mm
0.75" 19mm
0.75" 19mm
Average rainfall days
5.5
5.5
4.5
Average snowfall
1.3" 33mm
2.17" 55mm
1.81" 46mm
Average snowfall days
7.7
12.8
8.6
Average sea temperature
40.1°F 4.5°C
37.5°F 3.1°C
36°F 2.2°C
Average daylight
9h 1min
9h 2min
10h 4min
Average sunshine
4h 0min
3h 4min
3h 5min
Average sunshine days
18.2
16.3
15.7
Average UV index
1
1
2
Average cloud cover
59%
62%
59%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Whitefish Bay, WI

Average temperature in January - Whitefish Bay, WI
  • Average high temperature in January: 26.8°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in January: 17.1°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in January
Whitefish Bay, WI

Average pressure in January - Whitefish Bay, 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 (29.92"Hg).

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Average wind speed in January
Whitefish Bay, WI

Average wind speed in January - Whitefish Bay, WI
  • Average wind speed in January: 12.6mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

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Average humidity in January
Whitefish Bay, WI

Average humidity in January - Whitefish Bay, WI
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in January
Whitefish Bay, WI

Average rainfall in January - Whitefish Bay, WI
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is December (0.71").

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Average rainfall days in January
Whitefish Bay, WI

Average rainfall days in January - Whitefish Bay, WI
  • Average rainfall days in January: 5.5 days

The months with the highest number of rainy days are May, June and July (15.2 days).
The month with the least rainy days is February (4.5 days).

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Average snowfall in January
Whitefish Bay, WI

Average snowfall in January - Whitefish Bay, WI
  • Average snowfall in January: 2.17"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Whitefish Bay, WI

Average snowfall days in January - Whitefish Bay, WI
  • Average snowfall days in January: 12.8 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in January
Whitefish Bay, WI

Average sea temperature in January - Whitefish Bay, WI
  • Average sea temperature in January: 37.5°F

The best month for swimming (with the highest average sea temperature) is August (71.9°F).
The coldest month (with the lowest average sea temperature) is February (36°F).

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Average daylight in January /
Average sunshine in January
Whitefish Bay, WI

Average daylight in January / Average sunshine in January - Whitefish Bay, 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 4min

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

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Average sunshine days in January
Whitefish Bay, WI

Average sunshine days in January - Whitefish Bay, WI
  • Average sunshine days in January: 16.3 days

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in January
Whitefish Bay, WI

Average UV index in January - Whitefish Bay, 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 and December (UV index 1).

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Average cloud cover in January
Whitefish Bay, WI

Average cloud cover in January - Whitefish Bay, WI
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in January
Whitefish Bay, WI

Average visibility in January - Whitefish Bay, WI
  • Average visibility in January: 6mi

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

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Whitefish Bay, Wisconsin, USA

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