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 signals a shift in temperature, down from a frosty 43°F (6.1°C) in November to a freezing cold 31.1°F (-0.5°C). The average nighttime temperature lowers to a still subzero cold 21.6°F (-5.8°C) throughout December.Humidity
The average relative humidity in December in Jackson is 84%.Rainfall
In Jackson, Wisconsin, in December, it is raining for 6 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, in Jackson, there are 139.5 rainfall days, and 26.77" (680mm) of precipitation is accumulated.Snowfall
Months with snowfall in Jackson are January through April, October through December. In Jackson, in December, snow falls for 10.5 days, with typically accumulated 3.5" (89mm) of snow. In Jackson, during the entire year, snow falls for 47.1 days and aggregates up to 16.54" (420mm) of snow.Daylight
The month with the shortest days in Jackson is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:27 pm CST.
Sunshine
The average sunshine in December in Jackson is 3.9h.UV index
January, 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 vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Jackson?
What is the average humidity in December in Jackson?
How many days does it rain in December in Jackson?
How much does it snow in Jackson in December?
What is the month with the shortest days in Jackson?
What is the average length of the day in December in Jackson?
When is the sunrise / sunset in December in Jackson?
How many hours of sunshine does Jackson have in December?
What is the month with the lowest UV index in Jackson?
What is the UV index intensity in December in Jackson?
Average temperature in December
Jackson, WI
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in December: 21.6°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 (14°F).
Average pressure in December
Jackson, 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
Jackson, WI
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Jackson, WI
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Jackson, WI
- Average rainfall in December: 1.34"
The wettest months (with the highest rainfall) are May and June (3.19").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in December
Jackson, WI
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Jackson, WI
- Average snowfall in December: 3.5"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Jackson, WI
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (11.7 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
Jackson, WI
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Jackson, WI
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in December
Jackson, WI
- Average UV index in December: 1
The months with the highest UV index are 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
Jackson, WI
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in December
Jackson, WI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Jackson, Wisconsin, USA
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