December weather forecast
Fond du Lac, WI

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Weather in December

By December, winter is well underway in Fond du Lac, with temperatures plunging to a chilling low of 19.4°F (-7°C). Increasing cloudiness, fewer sunshine hours of approximately 3.6 hours per day combined with a 0.67" (17mm) snowfall, mark the peak of the cold season. Combined with the area's yearly highest relative humidity of 86%, the chilly month requires heavy winter gears for any outdoor trips. As the year concludes, the cityscape is a blend of white snow and Christmas lights, creating a picturesque winter wonderland.

Temperature

The onset of December in Fond du Lac comes with a shift in the average high-temperature, falling from a wintry 42.1°F (5.6°C) in November to a freezing cold 29.1°F (-1.6°C). In the month of December, Fond du Lac experiences an average low-temperature of 19.4°F (-7°C).

Humidity

In Fond du Lac, the average relative humidity in December is 86%.

Rainfall

In Fond du Lac, in December, during 3.7 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Fond du Lac, during the entire year, the rain falls for 90.7 days and collects up to 7.56" (192mm) of precipitation.

Snowfall

Months with snowfall in Fond du Lac are January through April, October through December. In Fond du Lac, in December, during 9.3 snowfall days, 0.67" (17mm) of snow is typically accumulated. In Fond du Lac, during the entire year, snow falls for 42 days and aggregates up to 4.25" (108mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December in Fond du Lac, sunrise is at 7:08 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:26 pm CST.

Sunshine

In December, the average sunshine in Fond du Lac is 3.6h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 1 during December translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

How cold is it in Fond du Lac in December?

In December, in Fond du Lac, the average high-temperature is 29.1°F (-1.6°C), and the average low-temperature is 19.4°F (-7°C).

What is the average humidity in December in Fond du Lac?

In December, the average relative humidity is 86%.

How much does it rain in Fond du Lac in December?

In Fond du Lac, Wisconsin, in December, it is raining for 3.7 days, with typically 0.35" (9mm) of accumulated precipitation.

How much does it snow in Fond du Lac in December?

In December, in Fond du Lac, Wisconsin, it is snowing for 9.3 days. Throughout December, 0.67" (17mm) of snow is accumulated.

What is the month with the shortest days in Fond du Lac?

With an average of 9h and 0min of daylight, December has the shortest days of the year.

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

The average day length in December is 8h and 59min.

When is the sunrise / sunset in December in Fond du Lac?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:17 pm. On the last day of the month, in Fond du Lac, Wisconsin, sunrise is at 7:27 am and sunset at 4:26 pm CST.

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

In December, the average sunshine duration in Fond du Lac is 3.6h.

When is the lowest UV index in Fond du Lac?

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

How high is the UV index in December in Fond du Lac?

In Fond du Lac, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
42.1°F 5.6°C
29.1°F -1.6°C
22.5°F -5.3°C
Average low temperature
30°F -1.1°C
19.4°F -7°C
10.8°F -11.8°C
Average pressure
30.07" 764mmHg
30.08" 764mmHg
30.09" 764mmHg
Average wind speed
10.1mph 16.3km/h
9.9mph 15.9km/h
10.3mph 16.6km/h
Average max. wind speed
10.8mph 17.4km/h
10.7mph 17.2km/h
10.9mph 17.5km/h
Average wind speed gusts
16.1mph 25.9km/h
15.8mph 25.4km/h
16.3mph 26.2km/h
Average humidity
78%
86%
89%
Average rainfall
0.35" 9mm
0.35" 9mm
0.31" 8mm
Average rainfall days
4.9
3.7
3.3
Average snowfall
0.63" 16mm
0.67" 17mm
1.06" 27mm
Average snowfall days
4.3
9.3
10.5
Average daylight
9h 4min
9h 0min
9h 2min
Average sunshine
4h 5min
3h 4min
3h 2min
Average sunshine days
21.4
21.5
20.8
Average UV index
1
1
1
Average cloud cover
49%
63%
65%
Average visibility
6mi 9.7km
6mi 9.7km
5mi 8km

Average temperature in December
Fond du Lac, WI

Average temperature in December - Fond du Lac, WI
  • Average high temperature in December: 29.1°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 December: 19.4°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).

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Average pressure in December
Fond du Lac, WI

Average pressure in December - Fond du Lac, WI
  • Average pressure in December: 30.08"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 December
Fond du Lac, WI

Average wind speed in December - Fond du Lac, WI
  • Average wind speed in December: 9.9mph

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).

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Average humidity in December
Fond du Lac, WI

Average humidity in December - Fond du Lac, WI
  • Average humidity in December: 86%

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

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Average rainfall in December
Fond du Lac, WI

Average rainfall in December - Fond du Lac, WI
  • Average rainfall in December: 0.35"

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").

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Average rainfall days in December
Fond du Lac, WI

Average rainfall days in December - Fond du Lac, WI
  • Average rainfall days in December: 3.7 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).

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Average snowfall in December
Fond du Lac, WI

Average snowfall in December - Fond du Lac, WI
  • Average snowfall in December: 0.67"

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

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Average snowfall days in December
Fond du Lac, WI

Average snowfall days in December - Fond du Lac, WI
  • Average snowfall days in December: 9.3 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).

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

Average daylight in December / Average sunshine in December - Fond du Lac, WI
  • Average daylight in December: 9h and 0min

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 December: 3h and 4min

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).

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Average sunshine days in December
Fond du Lac, WI

Average sunshine days in December - Fond du Lac, WI
  • Average sunshine days in December: 21.5 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).

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Average UV index in December
Fond du Lac, WI

Average UV index in December - Fond du Lac, WI
  • Average UV index in December: 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).

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Average cloud cover in December
Fond du Lac, WI

Average cloud cover in December - Fond du Lac, WI
  • Average cloud cover in December: 63

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

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Average visibility in December
Fond du Lac, WI

Average visibility in December - Fond du Lac, WI
  • Average visibility in December: 6mi

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).

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Fond du Lac, Wisconsin, USA

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