December weather forecast
Brownsville, WI

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Weather in December

The first month of the winter, December, is also a subzero cold month in Brownsville, Wisconsin, with temperature in the range of an average high of 29.3°F (-1.5°C) and an average low of 19.2°F (-7.1°C).

Temperature

A moderate decline in the average high-temperature is seen during December, decreasing from an icy 42.1°F (5.6°C) in November to a subzero cold 29.3°F (-1.5°C). Brownsville sees an average low-temperature of 19.2°F (-7.1°C) during December.

Humidity

The average relative humidity in December in Brownsville, Wisconsin, is 85%.

Rainfall

February and December are months with the least rain when the rain falls for 4.2 days and typically aggregates up to 0.83" (21mm) of rain.

Snowfall

January through May, October through December are months with snowfall. In Brownsville, in December, snow falls for 12.1 days, with typically accumulated 2.2" (56mm) of snow. In Brownsville, during the entire year, snow falls for 54.7 days and aggregates up to 13.82" (351mm) of snow.

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 7:08 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:27 pm CST.

Sunshine

In December, the average sunshine is 3.5h.

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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 1 during December leads to these instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Brownsville, is 29.3°F (-1.5°C), while the low-temperature averages to 19.2°F (-7.1°C).

What is the average humidity in December?

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

What is the driest month?

The months with the least rainfall in Brownsville are February and December Rain falls for 4.2 days and accumulates 0.83" (21mm) of rain.

How much does it rain in December?

In December, the rain falls for 4.2 days. Throughout December, 0.83" (21mm) of precipitation is accumulated.

How much does it snow in December?

In Brownsville, in December, snow falls for 12.1 days, with typically accumulated 2.2" (56mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Brownsville have in December?

In Brownsville, the average day length in December is 9h and 0min.

When is the sunrise / sunset in December in Brownsville?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:27 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 3.5h.

What is the month with the lowest UV index?

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?

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

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

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in December: 19.2°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in December
Brownsville, WI

Average pressure in December - Brownsville, 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
Brownsville, WI

Average wind speed in December - Brownsville, WI
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in December
Brownsville, WI

Average humidity in December - Brownsville, 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
Brownsville, WI

Average rainfall in December - Brownsville, WI
  • Average rainfall in December: 0.83"

The wettest months (with the highest rainfall) are May and June (2.6").
The driest months (with the least rainfall) are February and December (0.83").

Average rainfall days in December
Brownsville, WI

Average rainfall days in December - Brownsville, WI
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is July (16.2 days).
The months with the least rainy days are January and February (3.1 days).

Average snowfall in December
Brownsville, WI

Average snowfall in December - Brownsville, WI
  • Average snowfall in December: 2.2"

The month with the highest snowfall is January (3.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Brownsville, WI

Average snowfall days in December - Brownsville, WI
  • Average snowfall days in December: 12.1 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Brownsville, 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 3min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Brownsville, WI

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

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (11.7 days).

Average UV index in December
Brownsville, WI

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Brownsville, WI

Average cloud cover in December - Brownsville, WI
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in December
Brownsville, WI

Average visibility in December - Brownsville, 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).

Brownsville, Wisconsin, USA

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