December weather forecastCumberland, WI
December
Weather in December
December, the first month of the winter in Cumberland, is also a subzero cold month, with an average temperature fluctuating between 12.7°F (-10.7°C) and 23.4°F (-4.8°C).Temperature
In Cumberland, the beginning of December is marked by a lowered average high-temperature, shifting from November's icy 37.6°F (3.1°C) to a freezing cold 23.4°F (-4.8°C). During the December nights, an average temperature of 12.7°F (-10.7°C) is observed.Humidity
In December, the average relative humidity in Cumberland is 91%.Rainfall
In December, the rain falls for 3.3 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 123 rainfall days, and 23.35" (593mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 14.5 days and accumulates 5.79" (147mm) of snow.Daylight
December has the shortest days of the year in Cumberland, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:48 am and sunset at 4:34 pm CST.
Sunshine
In Cumberland, the average sunshine in December is 2.6h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cumberland, WI
- Average high temperature in December: 23.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (17.4°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (4.6°F).
Average pressure in December
Cumberland, 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 (29.88"Hg).
Average wind speed in December
Cumberland, WI
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Cumberland, WI
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Cumberland, WI
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Cumberland, WI
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Cumberland, WI
- Average snowfall in December: 5.79"
The month with the highest snowfall is December (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cumberland, WI
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Cumberland, WI
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 2h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Cumberland, WI
- Average sunshine days in December: 15.3 days
The months with the most sunshine days are October and November (15.7 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in December
Cumberland, 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, February and December (UV index 1).
Average cloud cover in December
Cumberland, WI
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Cumberland, WI
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
