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 onset of December is marked by a decrease in temperature, transitioning from a chilly 43.9°F (6.6°C) in November to a freezing cold 31.3°F (-0.4°C). An average nighttime temperature of 21.4°F (-5.9°C) is recorded during December.Humidity
In December, the average relative humidity is 83%.Rainfall
January, February and December are months with the least rain when the rain falls for 4.7 days and typically aggregates up to 0.35" (9mm) of rain.Snowfall
Months with snowfall in Hanover are January through April, October through December. In December, in Hanover, it is snowing for 6.7 days. Throughout December, 0.39" (10mm) of snow is accumulated. Throughout the year, in Hanover, Wisconsin, there are 33.3 snowfall days, and 4.33" (110mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Hanover.On the first day of December in Hanover, sunrise is at 7:07 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:33 pm CST.
Sunshine
In Hanover, the average sunshine in December is 4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 1 in December transforms into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Hanover?
What is the average humidity in December in Hanover?
What is the driest month in Hanover?
How many days does it rain in December in Hanover?
How many days does it snow in December in Hanover?
What is the month with the shortest days in Hanover?
How many hours of daylight does Hanover have in December?
When is the sunrise / sunset in December in Hanover?
How many hours of sunshine does Hanover have in December?
What is the month with the lowest UV index in Hanover?
How high is the UV index in December in Hanover?
Average temperature in December
Hanover, WI
- Average high temperature in December: 31.3°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 (24.8°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Hanover, WI
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hanover, WI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Hanover, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in December
Hanover, WI
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is June (1.14").
The driest months (with the least rainfall) are January, February and December (0.35").
Average rainfall days in December
Hanover, WI
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in December
Hanover, WI
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hanover, WI
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hanover, 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: 4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Hanover, WI
- Average sunshine days in December: 21.8 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (14 days).
Average UV index in December
Hanover, WI
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Hanover, WI
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in December
Hanover, WI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Hanover, Wisconsin, USA
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