December weather forecastCoon Valley, WI
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Coon Valley, Wisconsin, with an average temperature varying between 16.9°F (-8.4°C) and 27.3°F (-2.6°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's cold 41.5°F (5.3°C) to a subzero cold 27.3°F (-2.6°C). Coon Valley, in December, observes a steady average low-temperature of 16.9°F (-8.4°C).Humidity
In Coon Valley, the average relative humidity in December is 87%.Rainfall
In Coon Valley, Wisconsin, in December, during 6.5 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 140.4 rainfall days, and 27.76" (705mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Coon Valley, Wisconsin, during December, snow falls for 13.3 days and regularly aggregates up to 5.12" (130mm) of snow. In Coon Valley, during the entire year, snow falls for 63.1 days and aggregates up to 24.21" (615mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:37 pm CST.
Sunshine
In December, the average sunshine is 3.5h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coon Valley, WI
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in December: 16.9°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in December
Coon Valley, WI
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Coon Valley, WI
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Coon Valley, WI
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Coon Valley, WI
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Coon Valley, WI
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Coon Valley, WI
- Average snowfall in December: 5.12"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Coon Valley, WI
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Coon Valley, 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 months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Coon Valley, WI
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Coon Valley, WI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Coon Valley, WI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Coon Valley, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
