Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With December's onset, the weather shows a temperature decrease, transitioning from a cold 40.5°F (4.7°C) in November to a freezing cold 27.3°F (-2.6°C). Caroline witnesses an average low-temperature of 18.1°F (-7.7°C) throughout the month of December.Humidity
In December, the average relative humidity is 86%.Rainfall
In Caroline, during December, the rain falls for 4.7 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Caroline, during the entire year, the rain falls for 122.7 days and collects up to 19.72" (501mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Caroline, in December, snow falls for 10.6 days, with typically accumulated 3.07" (78mm) of snow. In Caroline, during the entire year, snow falls for 51.8 days and aggregates up to 17.28" (439mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:25 pm CST.
Sunshine
In Caroline, the average sunshine in December 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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in Caroline in December?
What is the month with the shortest days?
How many hours of daylight does Caroline have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Caroline have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Caroline, WI
- Average high temperature in December: 27.3°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 (21.7°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Caroline, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Caroline, WI
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Caroline, WI
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Caroline, WI
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in December
Caroline, WI
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in December
Caroline, WI
- Average snowfall in December: 3.07"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Caroline, WI
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Caroline, WI
- Average daylight in December: 8h and 5min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Caroline, WI
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Caroline, 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, November and December (UV index 1).
Average cloud cover in December
Caroline, WI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Caroline, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Caroline, Wisconsin, USA
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