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
The arrival of December corresponds with a temperature reduction, down from November's chilly 43.7°F (6.5°C) to a subzero cold 31.5°F (-0.3°C). The average temperature in Darien during December nights dips to 21.4°F (-5.9°C).Humidity
In December, the average relative humidity is 83%.Rainfall
January and December are months with the least rain when the rain falls for 6.5 days and typically aggregates up to 0.79" (20mm) of rain.Snowfall
Months with snowfall in Darien are January through April, October through December. In Darien, during December, snow falls for 9.9 days and regularly aggregates up to 1.69" (43mm) of snow. In Darien, Wisconsin, during the entire year, snow falls for 47.5 days and aggregates up to 11.81" (300mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:31 pm CST.
Sunshine
In Darien, the average sunshine in December is 3.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Darien in December?
What is the average humidity in December in Darien?
What is the driest month in Darien?
How much does it rain in Darien in December?
How much does it snow in Darien in December?
What is the month with the shortest days in Darien?
What is the average length of the day in December in Darien?
What time are sunrise and sunset in December in Darien?
How long on average sun shines in December in Darien?
When is the lowest UV index in Darien?
What is the UV index intensity in December in Darien?
Average temperature in December
Darien, WI
- Average high temperature in December: 31.5°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 (24.8°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in December
Darien, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Darien, WI
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Darien, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Darien, WI
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are January and December (0.79").
Average rainfall days in December
Darien, WI
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in December
Darien, WI
- Average snowfall in December: 1.69"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Darien, WI
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Darien, WI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Darien, WI
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Darien, 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 and December (UV index 1).
Average cloud cover in December
Darien, WI
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 35).
Average visibility in December
Darien, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Darien, Wisconsin, USA
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