December weather forecastCornucopia, WI
December
Weather in December
December, the first month of the winter in Cornucopia, is also a subzero cold month, with an average temperature fluctuating between 18°F (-7.8°C) and 25.3°F (-3.7°C).Temperature
Cornucopia's December weather comes with a decrease in average high-temperatures, moving from a cold 37.6°F (3.1°C) in November to a freezing cold 25.3°F (-3.7°C). The nights of December cool down to an average low of 18°F (-7.8°C), subtly lower than daytime highs.Humidity
In Cornucopia, the average relative humidity in December is 87%.Rainfall
In Cornucopia, in December, during 5.8 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Cornucopia, during the entire year, the rain falls for 127.9 days and collects up to 22.56" (573mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Cornucopia, during December, snow falls for 20.4 days and regularly aggregates up to 6.81" (173mm) of snow. Throughout the year, there are 95.5 snowfall days, and 33.54" (852mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:26 pm CST.
Sunshine
The average sunshine in December in Cornucopia is 2.6h.UV index
The months with the lowest UV index in Cornucopia, Wisconsin, are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, a regular UV index of 1 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cornucopia, WI
- Average high temperature in December: 25.3°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in December: 18°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Cornucopia, WI
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Cornucopia, WI
- Average wind speed in December: 10.6mph
The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in December
Cornucopia, WI
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Cornucopia, WI
- Average rainfall in December: 1.73"
The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").
Average rainfall days in December
Cornucopia, WI
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
Cornucopia, WI
- Average snowfall in December: 6.81"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cornucopia, WI
- Average snowfall days in December: 20.4 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cornucopia, WI
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 2h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Cornucopia, WI
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in December
Cornucopia, 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
Cornucopia, WI
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Cornucopia, WI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
