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
Transition into December marks a drop in the average high-temperature, moving from a wintry 41.9°F (5.5°C) in November to a freezing cold 28.6°F (-1.9°C). December nights observe an average temperature dip to 18.7°F (-7.4°C).Humidity
The average relative humidity in December is 85%.Rainfall
In December, in Van Dyne, the rain falls for 5.2 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 126.8 rainfall days, and 25.2" (640mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Van Dyne, during December, snow falls for 10.9 days and regularly aggregates up to 3.11" (79mm) of snow. Throughout the year, there are 53.5 snowfall days, and 17.56" (446mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:26 pm CST.
Sunshine
The average sunshine in December is 3.6h.UV index
January, February, November 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 minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. 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 it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Van Dyne have in December?
When is the sunrise / sunset in December in Van Dyne?
How many hours of sunshine does Van Dyne have in December?
What are the months with the lowest UV index?
What is the UV index reading in December in Van Dyne?
Average temperature in December
Van Dyne, WI
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in December: 18.7°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Van Dyne, 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
Van Dyne, WI
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in December
Van Dyne, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Van Dyne, WI
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in December
Van Dyne, WI
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in December
Van Dyne, WI
- Average snowfall in December: 3.11"
The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Van Dyne, WI
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is January (13.8 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
Van Dyne, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in December
Van Dyne, WI
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is April (11.9 days).
Average UV index in December
Van Dyne, 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, February, November and December (UV index 1).
Average cloud cover in December
Van Dyne, WI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Van Dyne, 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).
Van Dyne, Wisconsin, USA
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