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 results in a decrease in the average high-temperature, receding from a wintry 42.3°F (5.7°C) in November to a subzero cold 29.8°F (-1.2°C). Arena experiences an average low-temperature of 19.4°F (-7°C) in the month of December.Humidity
In Arena, Wisconsin, the average relative humidity in December is 84%.Rainfall
In Arena, during December, the rain falls for 4.9 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Arena, during the entire year, the rain falls for 115.3 days and collects up to 13.9" (353mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Arena. In Arena, Wisconsin, during December, snow falls for 9.3 days and regularly aggregates up to 1.1" (28mm) of snow. In Arena, Wisconsin, during the entire year, snow falls for 46.7 days and aggregates up to 8.9" (226mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Arena.On the first day of the month, sunrise is at 7:12 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:34 pm CST.
Sunshine
In Arena, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index in Arena are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 1 during December translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is December in Arena?
What is the average humidity in December in Arena?
How much does it rain in Arena in December?
How much does it snow in Arena in December?
What is the month with the shortest days in Arena?
How many hours of daylight does Arena have in December?
What time are sunrise and sunset in December in Arena?
How many hours of sunshine does Arena have in December?
What is the month with the lowest UV index in Arena?
How high is the UV index in December in Arena?
Average temperature in December
Arena, WI
- Average high temperature in December: 29.8°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Arena, 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
Arena, WI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Arena, WI
- Average humidity in December: 84%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Arena, WI
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (1.85").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Arena, WI
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in December
Arena, WI
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Arena, WI
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arena, 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 12min).
Average sunshine days in December
Arena, WI
- Average sunshine days in December: 19.3 days
The months with the most sunshine days are October and December (19.3 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Arena, WI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Arena, WI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in December
Arena, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Arena, Wisconsin, USA
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