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 decrease of average high-temperatures is mild in December, with a decline from a frosty 42.8°F (6°C) in November to a subzero cold 30.2°F (-1°C). An average nighttime temperature of 19.9°F (-6.7°C) is recorded during December.Humidity
In December, the average relative humidity is 84%.Rainfall
In Cobb, in December, it is raining for 7.3 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, in Cobb, there are 146.9 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Cobb, during December, snow falls for 12.9 days and regularly aggregates up to 4.96" (126mm) of snow. Throughout the year, there are 64.7 snowfall days, and 26.14" (664mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:13 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:36 pm CST.
Sunshine
In Cobb, the average sunshine in December is 3.9h.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in Cobb in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Cobb have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Cobb have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Cobb, WI
- Average high temperature in December: 30.2°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in December: 19.9°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in December
Cobb, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Cobb, WI
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Cobb, WI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Cobb, WI
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Cobb, WI
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Cobb, WI
- Average snowfall in December: 4.96"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cobb, WI
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cobb, 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 month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Cobb, WI
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in December
Cobb, WI
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Cobb, WI
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Cobb, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Cobb, Wisconsin, USA
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