December weather forecast
Winnebago, WI

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Weather in December

December, the first month of the winter in Winnebago, is still a freezing cold month, with temperature in the range of an average high of 29.1°F (-1.6°C) and an average low of 19.2°F (-7.1°C).

Temperature

Winnebago's transition into December involves a shift in temperature, receding from a cold 41.9°F (5.5°C) in November to a freezing cold 29.1°F (-1.6°C). Winnebago records a steady low-temperature average of 19.2°F (-7.1°C) during December.

Humidity

The average relative humidity in December is 85%.

Rainfall

In December, the rain falls for 5.8 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. Throughout the year, in Winnebago, there are 133.9 rainfall days, and 26.73" (679mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Winnebago, during December, snow falls for 13.6 days and regularly aggregates up to 3.82" (97mm) of snow. In Winnebago, during the entire year, snow falls for 60.5 days and aggregates up to 20.31" (516mm) of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:25 pm CST.

Sunshine

In Winnebago, the average sunshine in December is 3.6h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 1 in December translates into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In Winnebago, in December, the average high-temperature is 29.1°F (-1.6°C), and the average low-temperature is 19.2°F (-7.1°C).

What is the average humidity in December?

In Winnebago, the average relative humidity in December is 85%.

How many days does it rain in December?

In Winnebago, in December, during 5.8 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

How much does it snow in December?

In Winnebago, Wisconsin, in December, snow falls for 13.6 days, with typically accumulated 3.82" (97mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year in Winnebago, with an average of 8h and 54min of daylight.

What is the average length of the day in December?

In December, the average day length is 8h and 57min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:25 pm CST.

How long on average sun shines in December?

In Winnebago, the average sunshine duration in December is 3.6h.

What are the months with the lowest UV index?

January, February, 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 December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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 December
Winnebago, WI

Average temperature in December - Winnebago, WI
  • Average high temperature in December: 29.1°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in December: 19.2°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure in December
Winnebago, WI

Average pressure in December - Winnebago, 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).

Average wind speed in December
Winnebago, WI

Average wind speed in December - Winnebago, WI
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

Average humidity in December
Winnebago, WI

Average humidity in December - Winnebago, WI
  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (77%).

Average rainfall in December
Winnebago, WI

Average rainfall in December - Winnebago, WI
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is February (1.22").

Average rainfall days in December
Winnebago, WI

Average rainfall days in December - Winnebago, WI
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (4 days).

Average snowfall in December
Winnebago, WI

Average snowfall in December - Winnebago, WI
  • Average snowfall in December: 3.82"

The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Winnebago, WI

Average snowfall days in December - Winnebago, WI
  • Average snowfall days in December: 13.6 days

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Winnebago, WI

Average daylight in December / Average sunshine in December - Winnebago, WI
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

Average sunshine days in December
Winnebago, WI

Average sunshine days in December - Winnebago, WI
  • Average sunshine days in December: 13.9 days

The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (11.3 days).

Average UV index in December
Winnebago, WI

Average UV index in December - Winnebago, WI
  • Average UV index in December: 1

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

Average cloud cover in December
Winnebago, WI

Average cloud cover in December - Winnebago, WI
  • Average cloud cover in December: 64

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 December
Winnebago, WI

Average visibility in December - Winnebago, WI
  • Average visibility in December: 5mi

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

Winnebago, Wisconsin, USA

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