December weather forecastBrownsville, WI
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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 30min
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: 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: 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: 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: 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).
