December weather forecastBellevue, WI
December
Weather in December
December, the first month of the winter in Bellevue, is also a subzero cold month, with an average temperature ranging between min 21.2°F (-6°C) and max 29.5°F (-1.4°C).Temperature
The arrival of December signals a shift in temperature, down from a wintry 41.9°F (5.5°C) in November to a subzero cold 29.5°F (-1.4°C). Bellevue's nighttime temperature in December consistently rests at 21.2°F (-6°C).Humidity
In Bellevue, the average relative humidity in December is 85%.Rainfall
In Bellevue, in December, during 6.9 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, there are 131.1 rainfall days, and 19.88" (505mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Bellevue. In Bellevue, during December, snow falls for 12.3 days and regularly aggregates up to 2.99" (76mm) of snow. In Bellevue, during the entire year, snow falls for 60.7 days and aggregates up to 16.38" (416mm) 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 7:08 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:22 pm CST.
Sunshine
The average sunshine in December is 3.7h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Bellevue, Wisconsin. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bellevue, WI
- Average high temperature in December: 29.5°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in December
Bellevue, WI
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Bellevue, WI
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in December
Bellevue, WI
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Bellevue, WI
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Bellevue, WI
- Average rainfall days in December: 6.9 days
The months with the highest number of rainy days are May and July (14.9 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in December
Bellevue, WI
- Average snowfall in December: 2.99"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bellevue, WI
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bellevue, WI
- Average daylight in December: 8h and 54min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in December
Bellevue, WI
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in December
Bellevue, WI
- Average UV index in December: 1
The months with the highest UV index are 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
Bellevue, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Bellevue, WI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





