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
In Spooner, the average high-temperature in December decreases from an icy 37.6°F (3.1°C) in November to a subzero cold 23.4°F (-4.8°C). Throughout December, an average low-temperature of 12.2°F (-11°C) is expected.Humidity
In Spooner, the average relative humidity in December is 89%.Rainfall
In December, the rain falls for 3.5 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 118.5 rainfall days, and 21.1" (536mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 14 days and typically aggregates up to 6.42" (163mm) of snow.Daylight
The month with the shortest days in Spooner is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:29 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:48 am and sunset at 4:33 pm CST.
Sunshine
In December, the average sunshine is 2.8h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Spooner, Wisconsin. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Spooner?
What is the average humidity in December in Spooner?
How many days does it rain in December in Spooner?
When does it snow the most in Spooner?
How much does it snow in Spooner in December?
What is the month with the shortest days in Spooner?
How many hours of daylight does Spooner have in December?
When is the sunrise / sunset in December in Spooner?
How long on average sun shines in December in Spooner?
What is the month with the lowest UV index in Spooner?
How high is the UV index in December in Spooner?
Average temperature in December
Spooner, WI
- Average high temperature in December: 23.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (17.4°F).
- Average low temperature in December: 12.2°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in December
Spooner, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Spooner, WI
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Spooner, WI
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Spooner, WI
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Spooner, WI
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in December
Spooner, WI
- Average snowfall in December: 6.42"
The month with the highest snowfall is December (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Spooner, WI
- Average snowfall days in December: 14 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spooner, WI
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h 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: 2h and 36min).
Average sunshine days in December
Spooner, WI
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in December
Spooner, 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
Spooner, WI
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Spooner, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July and October (6mi).
The months with the lowest visibility are January and February (4mi).
Spooner, Wisconsin, USA
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