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
As December commences, the average high-temperature shows a reduction, transitioning from a wintry 38.7°F (3.7°C) in November to a freezing cold 24.8°F (-4°C). Spencer's December nights cool down to an average low-temperature of 15.1°F (-9.4°C).Humidity
In Spencer, the average relative humidity in December is 90%.Rainfall
In Spencer, in December, it is raining for 5.3 days, with typically 1.46" (37mm) of accumulated precipitation. In Spencer, during the entire year, the rain falls for 132.1 days and collects up to 23.23" (590mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Spencer, during December, snow falls for 16.1 days and regularly aggregates up to 6.3" (160mm) of snow. In Spencer, during the entire year, snow falls for 79.6 days and aggregates up to 28.07" (713mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:30 pm CST.
Sunshine
The average sunshine in December is 3h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in 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?
When is the sunrise / sunset in December?
How many hours of sunshine does Spencer have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Spencer, WI
- Average high temperature in December: 24.8°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in December
Spencer, 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 (29.9"Hg).
Average wind speed in December
Spencer, WI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Spencer, WI
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Spencer, WI
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Spencer, WI
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in December
Spencer, WI
- Average snowfall in December: 6.3"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Spencer, WI
- Average snowfall days in December: 16.1 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spencer, 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Spencer, WI
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in December
Spencer, 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, February, November and December (UV index 1).
Average cloud cover in December
Spencer, WI
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Spencer, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
Spencer, Wisconsin, USA
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