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
December's arrival comes with a decrease in the average high-temperature, moving from an icy 40.5°F (4.7°C) in November to a freezing cold 27.3°F (-2.6°C). The average low-temperature of 18.1°F (-7.7°C) is witnessed during December.Humidity
In Marion, the average relative humidity in December is 86%.Rainfall
In Marion, during December, the rain falls for 4.7 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Marion, during the entire year, the rain falls for 122.7 days and collects up to 19.72" (501mm) of precipitation.Snowfall
Months with snowfall in Marion are January through May, October through December. In December, in Marion, it is snowing for 10.6 days. Throughout December, 3.07" (78mm) of snow is accumulated. In Marion, Wisconsin, during the entire year, snow falls for 51.8 days and aggregates up to 17.28" (439mm) of snow.Daylight
The month with the shortest days in Marion is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:16 pm. On the last day of December, in Marion, sunrise is at 7:32 am and sunset at 4:25 pm CST.
Sunshine
In Marion, the average sunshine in December is 3.8h.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 hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold is it in Marion in December?
What is the average humidity in December in Marion?
How much does it rain in Marion in December?
How much does it snow in Marion in December?
What is the month with the shortest days in Marion?
What is the average length of the day in December in Marion?
When are sunrise and sunset in December in Marion?
How many hours of sunshine does Marion have in December?
When is the lowest UV index in Marion?
What is the UV index intensity in December in Marion?
Average temperature in December
Marion, WI
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Marion, 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
Marion, WI
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Marion, WI
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Marion, WI
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in December
Marion, WI
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in December
Marion, WI
- Average snowfall in December: 3.07"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Marion, WI
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marion, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Marion, WI
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Marion, 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, November and December (UV index 1).
Average cloud cover in December
Marion, WI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Marion, 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).
Marion, Wisconsin, USA
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