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
With December's onset, the average high-temperature recedes from November's cold 5.7°C (42.3°F) to a subzero cold -1.5°C (29.3°F). Arlington, in December, observes a steady average low-temperature of -7.1°C (19.2°F).Humidity
In December, the average relative humidity is 84%.Rainfall
In Arlington, Wisconsin, during December, the rain falls for 4.4 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, there are 107.1 rainfall days, and 260mm (10.24") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Arlington, in December, snow falls for 9.5 days, with typically accumulated 24mm (0.94") of snow. Throughout the year, there are 45.4 snowfall days, and 166mm (6.54") 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 the month, sunrise is at 7:10 am and sunset at 4:22 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:31 pm CST.
Sunshine
In December, the average sunshine 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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 1 in December translates into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December in Arlington?
How many hours of sunshine does Arlington have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Arlington, WI
- Average high temperature in December: -1.5°C
The warmest month (with the highest average high temperature) is July (25.9°C).
The month with the lowest average high temperature is January (-5.2°C).
- Average low temperature in December: -7.1°C
The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-11.7°C).
Average pressure in December
Arlington, WI
- Average pressure in December: 1019mbar
The month with the highest atmospheric pressure is January (1019.6mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).
Average wind speed in December
Arlington, WI
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is April (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Arlington, WI
- Average humidity in December: 84%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Arlington, WI
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is January (9mm).
Average rainfall days in December
Arlington, WI
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in December
Arlington, WI
- Average snowfall in December: 24mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Arlington, WI
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arlington, 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 month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Arlington, WI
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Arlington, 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
Arlington, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Arlington, WI
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, October, November and December (9km).
The months with the lowest visibility are January, February, July, August and September (8km).
Arlington, Wisconsin, USA
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