December weather forecastDowning, WI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Downing, Wisconsin, with an average temperature fluctuating between 24.4°F (-4.2°C) and 13.5°F (-10.3°C).Temperature
The onset of December witnesses a clear shift in the average high-temperature, dropping from an icy 39.2°F (4°C) in November to a subzero cold 24.4°F (-4.2°C). Downing in December experiences a low-temperature average of 13.5°F (-10.3°C).Humidity
The average relative humidity in December is 89%.Rainfall
In Downing, in December, during 2.7 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Downing, during the entire year, the rain falls for 99.2 days and collects up to 12.17" (309mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 11.3 days. Throughout December, 1.65" (42mm) of snow is accumulated. In Downing, during the entire year, snow falls for 54.1 days and aggregates up to 9.92" (252mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:36 pm CST.
Sunshine
In Downing, the average sunshine in December is 3.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 1 during December leads to these advisories:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Downing, WI
- Average high temperature in December: 24.4°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 (18.9°F).
- Average low temperature in December: 13.5°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 (5.7°F).
Average pressure in December
Downing, WI
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Downing, WI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Downing, WI
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Downing, WI
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Downing, WI
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is June (14.8 days).
The month with the least rainy days is February (1 days).
Average snowfall in December
Downing, WI
- Average snowfall in December: 1.65"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Downing, WI
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Downing, 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: 3h and 6min
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 54min).
Average sunshine days in December
Downing, WI
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in December
Downing, 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, November and December (UV index 1).
Average cloud cover in December
Downing, WI
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Downing, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
