December weather forecast
Twin Bluffs, WI

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Weather in December

The first month of the winter, December, is still a freezing cold month in Twin Bluffs, Wisconsin, with an average temperature fluctuating between 18.5°F (-7.5°C) and 29.3°F (-1.5°C).

Temperature

Twin Bluffs's December weather comes with a decrease in average high-temperatures, moving from a wintry 42.3°F (5.7°C) in November to a freezing cold 29.3°F (-1.5°C). Throughout December, Twin Bluffs encounters an average temperature drop to a still subzero cold 18.5°F (-7.5°C).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Twin Bluffs, during December, the rain falls for 6.1 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, in Twin Bluffs, there are 147.8 rainfall days, and 30.94" (786mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Twin Bluffs, in December, snow falls for 12.6 days, with typically accumulated 4.02" (102mm) of snow. In Twin Bluffs, during the entire year, snow falls for 61.1 days and aggregates up to 23.43" (595mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:35 pm CST.

Sunshine

In Twin Bluffs, the average sunshine in December is 3.6h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 1 in December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Twin Bluffs in December?

In Twin Bluffs, in December, the average high-temperature is 29.3°F (-1.5°C), and the average low-temperature is 18.5°F (-7.5°C).

What is the average humidity in December in Twin Bluffs?

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

How much does it rain in Twin Bluffs in December?

In Twin Bluffs, Wisconsin, in December, it is raining for 6.1 days, with typically 1.65" (42mm) of accumulated precipitation.

How many days does it snow in December in Twin Bluffs?

In December, it is snowing for 12.6 days. Throughout December, 4.02" (102mm) of snow is accumulated.

What is the month with the shortest days in Twin Bluffs?

The month with the shortest days in Twin Bluffs, Wisconsin, is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December in Twin Bluffs?

The average day length in December is 9h and 2min.

When is the sunrise / sunset in December in Twin Bluffs?

On the first day of December in Twin Bluffs, sunrise is at 7:14 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:35 pm CST.

How many hours of sunshine does Twin Bluffs have in December?

In December, the average sunshine duration in Twin Bluffs, Wisconsin, is 3.6h.

What are the months with the lowest UV index in Twin Bluffs?

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

What is the UV index intensity in December in Twin Bluffs?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
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
Twin Bluffs, WI

Average temperature in December - Twin Bluffs, WI
  • Average high temperature in December: 29.3°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in December: 18.5°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 (9.9°F).

Average pressure in December
Twin Bluffs, WI

Average pressure in December - Twin Bluffs, WI
  • Average pressure in December: 30.1"Hg

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Twin Bluffs, WI

Average wind speed in December - Twin Bluffs, WI
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in December
Twin Bluffs, WI

Average humidity in December - Twin Bluffs, WI
  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).

Average rainfall in December
Twin Bluffs, WI

Average rainfall in December - Twin Bluffs, WI
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is June (4.53").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in December
Twin Bluffs, WI

Average rainfall days in December - Twin Bluffs, WI
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in December
Twin Bluffs, WI

Average snowfall in December - Twin Bluffs, WI
  • Average snowfall in December: 4.02"

The month with the highest snowfall is February (6.02").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Twin Bluffs, WI

Average snowfall days in December - Twin Bluffs, WI
  • Average snowfall days in December: 12.6 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
Twin Bluffs, WI

Average daylight in December / Average sunshine in December - Twin Bluffs, WI
  • Average daylight in December: 9h and 0min

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 December: 3h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Twin Bluffs, WI

Average sunshine days in December - Twin Bluffs, WI
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (8.6 days).

Average UV index in December
Twin Bluffs, WI

Average UV index in December - Twin Bluffs, WI
  • Average UV index in December: 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).

Average cloud cover in December
Twin Bluffs, WI

Average cloud cover in December - Twin Bluffs, WI
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Twin Bluffs, WI

Average visibility in December - Twin Bluffs, WI
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).

Twin Bluffs, Wisconsin, USA

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