January weather forecast
Fond du Lac, WI

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Weather in January

Fond du Lac's climatological year kicks off with the coldest conditions, as the city grapples with sub-freezing temperatures and copious snow. Scores of residents remain indoors, bedecked in layers to brave a chilly average high of 22.5°F (-5.3°C). Conversely, there is merely 0.31" (8mm) of rainfall, likely due to the formation of snow instead. The low sunlight hours of 3.4 hours per day do little to thaw the winter chill, keeping the city's landscape stunningly covered in white. A noticeable transition of weather patterns happens as the month bows out, making room for the changing conditions in February.

Temperature

January is the coldest month of the year in Fond du Lac, registering average temperatures as high as 22.5°F (-5.3°C) and as low as 10.8°F (-11.8°C).

Humidity

The most humid month is January, with an average relative humidity of 89%.

Rainfall

January and February are months with the least rain when the rain falls for 3.3 days and typically aggregates up to 0.31" (8mm) of rain.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 10.5 days and typically aggregates up to 1.06" (27mm) of snow.

Daylight

In Fond du Lac, the average length of the day in January is 9h and 22min.
On the first day of January, sunrise is at 7:27 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:02 pm CST.

Sunshine

With an average of 3.4h of sunshine, January has the least sunshine of the year.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 1 in January transforms into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Fond du Lac's coldest weather arrives in January, when temperatures average a high of 22.5°F (-5.3°C) and a low of 10.8°F (-11.8°C).

How cold is it in January?

The average high-temperature and low-temperature in Fond du Lac during January are 22.5°F (-5.3°C) and 10.8°F (-11.8°C) respectively.

What is the most humid month?

January is the most humid month, with an average relative humidity of 89%.

What is the average humidity in January?

In Fond du Lac, the average relative humidity in January is 89%.

What is the driest month?

January and February are months with the least rain when the rain falls for 3.3 days and typically aggregates up to 0.31" (8mm) of rain.

How much does it rain in January?

In January, the rain falls for 3.3 days. Throughout January, 0.31" (8mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall in Fond du Lac is January, when snow falls for 10.5 days and typically aggregates up to 1.06" (27mm) of snow.

How much does it snow in January?

In Fond du Lac, in January, during 10.5 snowfall days, 1.06" (27mm) of snow is typically accumulated.

How many hours of daylight does Fond du Lac have in January?

In Fond du Lac, the average day length in January is 9h and 22min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:27 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:02 pm CST.

What is the month with the least sunshine?

With an average of 3.4h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Fond du Lac have in January?

In Fond du Lac, Wisconsin, the average sunshine duration in January is 3.4h.

What is the month with the lowest UV index?

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 reading in January?

The average daily maximum UV index in January is 1. A UV Index reading 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
29.1°F -1.6°C
22.5°F -5.3°C
25.7°F -3.5°C
Average low temperature
19.4°F -7°C
10.8°F -11.8°C
13.3°F -10.4°C
Average pressure
30.08" 764mmHg
30.09" 764mmHg
30.09" 764mmHg
Average wind speed
9.9mph 15.9km/h
10.3mph 16.6km/h
10.3mph 16.6km/h
Average max. wind speed
10.7mph 17.2km/h
10.9mph 17.5km/h
10.9mph 17.5km/h
Average wind speed gusts
15.8mph 25.4km/h
16.3mph 26.2km/h
16.6mph 26.7km/h
Average humidity
86%
89%
88%
Average rainfall
0.35" 9mm
0.31" 8mm
0.31" 8mm
Average rainfall days
3.7
3.3
2.3
Average snowfall
0.67" 17mm
1.06" 27mm
0.94" 24mm
Average snowfall days
9.3
10.5
9.3
Average daylight
9h 0min
9h 2min
10h 3min
Average sunshine
3h 4min
3h 2min
3h 3min
Average sunshine days
21.5
20.8
18.4
Average UV index
1
1
2
Average cloud cover
63%
65%
63%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Fond du Lac, WI

Average temperature in January - Fond du Lac, WI
  • Average high temperature in January: 22.5°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in January
Fond du Lac, WI

Average pressure in January - Fond du Lac, 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).

Average wind speed in January
Fond du Lac, WI

Average wind speed in January - Fond du Lac, WI
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

Average humidity in January
Fond du Lac, WI

Average humidity in January - Fond du Lac, WI
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).

Average rainfall in January
Fond du Lac, WI

Average rainfall in January - Fond du Lac, WI
  • Average rainfall in January: 0.31"

The wettest months (with the highest rainfall) are June and October (0.94").
The driest months (with the least rainfall) are January and February (0.31").

Average rainfall days in January
Fond du Lac, WI

Average rainfall days in January - Fond du Lac, WI
  • Average rainfall days in January: 3.3 days

The months with the highest number of rainy days are April and July (11 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in January
Fond du Lac, WI

Average snowfall in January - Fond du Lac, WI
  • Average snowfall in January: 1.06"

The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Fond du Lac, WI

Average snowfall days in January - Fond du Lac, WI
  • Average snowfall days in January: 10.5 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Fond du Lac, WI

Average daylight in January / Average sunshine in January - Fond du Lac, WI
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in January
Fond du Lac, WI

Average sunshine days in January - Fond du Lac, WI
  • Average sunshine days in January: 20.8 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (15.6 days).

Average UV index in January
Fond du Lac, WI

Average UV index in January - Fond du Lac, WI
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in January
Fond du Lac, WI

Average cloud cover in January - Fond du Lac, WI
  • Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in January
Fond du Lac, WI

Average visibility in January - Fond du Lac, WI
  • Average visibility in January: 5mi

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

Fond du Lac, Wisconsin, USA

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