December weather forecastStar Prairie, WI
December
Weather in December
December, the first month of the winter in Star Prairie, is still a freezing cold month, with an average temperature ranging between max 24.1°F (-4.4°C) and min 13.5°F (-10.3°C).Temperature
In Star Prairie, the onset of December is marked by a decreased average high-temperature, declining from November's cold 38.8°F (3.8°C) to a subzero cold 24.1°F (-4.4°C). Nighttime temperature in Star Prairie experiences an average drop to an extreme cold 13.5°F (-10.3°C) in December.Humidity
In December, the average relative humidity is 89%.Rainfall
In Star Prairie, in December, it is raining for 4.1 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 124.4 rainfall days, and 22.64" (575mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 13.6 days and typically aggregates up to 4.84" (123mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:37 pm CST.
Sunshine
In Star Prairie, the average sunshine in December is 3.1h.UV index
The months with the lowest UV index in Star Prairie, Wisconsin, are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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
Star Prairie, 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).
