December weather forecastDeer Park, WI
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Deer Park, Wisconsin, with an average temperature ranging between min 13.5°F (-10.3°C) and max 24.1°F (-4.4°C).Temperature
The transition from November to December brings a clear temperature drop, with average high-temperatures decreasing from a wintry 38.8°F (3.8°C) to a freezing cold 24.1°F (-4.4°C). Deer Park's average low-temperature is measured at an extreme cold 13.5°F (-10.3°C) during December.Humidity
In December, the average relative humidity is 89%.Rainfall
In Deer Park, Wisconsin, during December, the rain falls for 4.1 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in Deer Park, there are 124.4 rainfall days, and 22.64" (575mm) of precipitation is accumulated.Snowfall
Months with snowfall in Deer Park are January through May, October through December. December is the month with the most snowfall in Deer Park, Wisconsin. Snow falls for 13.6 days and accumulates 4.84" (123mm) of snow.Daylight
December has the shortest days of the year in Deer Park, with an average of 8h and 48min of daylight.On the first day of December in Deer Park, Wisconsin, sunrise is at 7:28 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:37 pm CST.
Sunshine
In Deer Park, the average sunshine in December is 3.1h.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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Deer Park, WI
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (78.3°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 (5.5°F).
Average pressure in December
Deer Park, 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
Deer Park, WI
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Deer Park, WI
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Deer Park, WI
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Deer Park, WI
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in December
Deer Park, WI
- Average snowfall in December: 4.84"
The month with the highest snowfall is December (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Deer Park, WI
- Average snowfall days in December: 13.6 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Deer Park, 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 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).
Average sunshine days in December
Deer Park, WI
- Average sunshine days in December: 16.1 days
The months with the most sunshine days are October and December (16.1 days).
The month with the least sunshine days is June (10 days).
Average UV index in December
Deer Park, 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
Deer Park, WI
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Deer Park, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





