December weather forecast
Brandon, WI

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Weather in December

The first month of the winter, December, is also a subzero cold month in Brandon, Wisconsin, with an average temperature fluctuating between 19.2°F (-7.1°C) and 29.1°F (-1.6°C).

Temperature

The beginning of December involves a decrease in the average high-temperature, transitioning from a cold 41.9°F (5.5°C) in November to a freezing cold 29.1°F (-1.6°C). December nights are marked by an average temperature drop to a still subzero cold 19.2°F (-7.1°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Brandon, in December, during 5.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 130.7 rainfall days, and 21.38" (543mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Brandon, Wisconsin, during December, snow falls for 13 days and regularly aggregates up to 2.87" (73mm) of snow. Throughout the year, there are 56.5 snowfall days, and 15.04" (382mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 7:09 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:28 pm CST.

Sunshine

In Brandon, the average sunshine in December is 3.7h.

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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

An average high-temperature, in December, in Brandon, 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 Brandon, the average relative humidity in December is 85%.

How much does it rain in December?

In Brandon, in December, during 5.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

How much does it snow in December?

In Brandon, Wisconsin, during December, snow falls for 13 days and regularly aggregates up to 2.87" (73mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length in Brandon is 8h and 59min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:28 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 3.7h.

What are the months with the lowest UV index?

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?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat 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
Brandon, WI

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

The warmest month (with the highest average high temperature) is July (78.1°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°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in December
Brandon, WI

Average pressure in December - Brandon, WI
  • Average pressure in December: 30.08"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Brandon, WI

Average wind speed in December - Brandon, WI
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in December
Brandon, WI

Average humidity in December - Brandon, 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 (76%).

Average rainfall in December
Brandon, WI

Average rainfall in December - Brandon, WI
  • Average rainfall in December: 1.02"

The wettest months (with the highest rainfall) are May and June (2.76").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in December
Brandon, WI

Average rainfall days in December - Brandon, WI
  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

Average snowfall in December
Brandon, WI

Average snowfall in December - Brandon, WI
  • Average snowfall in December: 2.87"

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Brandon, WI

Average snowfall days in December - Brandon, WI
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Brandon, 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 18min).

Average sunshine days in December
Brandon, WI

Average sunshine days in December - Brandon, WI
  • Average sunshine days in December: 16 days

The month with the most sunshine days is November (16.1 days).
The months with the least sunshine days are June and July (12.1 days).

Average UV index in December
Brandon, WI

Average UV index in December - Brandon, 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).

Average cloud cover in December
Brandon, WI

Average cloud cover in December - Brandon, WI
  • Average cloud cover in December: 63

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

Average visibility in December
Brandon, WI

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

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

Brandon, Wisconsin, USA

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