December weather forecastBlack Earth, WI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Black Earth, Wisconsin, with an average temperature fluctuating between 19.4°F (-7°C) and 29.8°F (-1.2°C).Temperature
The transition into December involves a decrease in the average high-temperature, falling from a cold 42.3°F (5.7°C) in November to a freezing cold 29.8°F (-1.2°C). An average low-temperature of 19.4°F (-7°C) is recorded in the month of December.Humidity
The average relative humidity in December in Black Earth is 84%.Rainfall
In December, the rain falls for 4.9 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Black Earth, during the entire year, the rain falls for 115.3 days and collects up to 13.9" (353mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Black Earth, in December, during 9.3 snowfall days, 1.1" (28mm) of snow is typically accumulated. In Black Earth, during the entire year, snow falls for 46.7 days and aggregates up to 8.9" (226mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:11 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:34 pm CST.
Sunshine
In Black Earth, the average sunshine in December is 3.8h.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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Black Earth, WI
- Average high temperature in December: 29.8°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Black Earth, WI
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Black Earth, WI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Black Earth, WI
- Average humidity in December: 84%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Black Earth, WI
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (1.85").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Black Earth, WI
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in December
Black Earth, WI
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Black Earth, WI
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Black Earth, WI
- Average daylight in December: 9h and 6min
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 6min).
- Average sunshine in December: 3h and 48min
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 12min).
Average sunshine days in December
Black Earth, WI
- Average sunshine days in December: 19.3 days
The months with the most sunshine days are October and December (19.3 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Black Earth, 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
Black Earth, WI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in December
Black Earth, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
