December weather forecastCecil, WI
December
Weather in December
December, the first month of the winter in Cecil, is still a freezing cold month, with an average temperature ranging between min 18.5°F (-7.5°C) and max 28.2°F (-2.1°C).Temperature
Cecil in December undergoes a mild reduction in the average high-temperature, shifting from November's icy 40.5°F (4.7°C) to a freezing cold 28.2°F (-2.1°C). Cecil experiences a mean temperature of 18.5°F (-7.5°C) during December nights.Humidity
The average relative humidity in December is 85%.Rainfall
In Cecil, in December, it is raining for 6.3 days, with typically 1.54" (39mm) of accumulated precipitation. In Cecil, during the entire year, the rain falls for 126.9 days and collects up to 23.03" (585mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 11.5 days. Throughout December, 4.57" (116mm) of snow is accumulated. In Cecil, during the entire year, snow falls for 62 days and aggregates up to 22.2" (564mm) of snow.Daylight
December has the shortest days of the year in Cecil, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:14 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:23 pm CST.
Sunshine
In December, the average sunshine is 3.8h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cecil, WI
- Average high temperature in December: 28.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in December
Cecil, WI
- Average pressure in December: 30.07"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Cecil, WI
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Cecil, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in December
Cecil, WI
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January and February (1.02").
Average rainfall days in December
Cecil, WI
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is May (15.1 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in December
Cecil, WI
- Average snowfall in December: 4.57"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cecil, WI
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cecil, WI
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Cecil, WI
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in December
Cecil, WI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Cecil, WI
- Average cloud cover in December: 61
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Cecil, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
