December weather forecastCedarburg, WI
December
Weather in December
December, the first month of the winter in Cedarburg, is still a cold month, with an average temperature ranging between min 23.7°F (-4.6°C) and max 32.2°F (0.1°C).Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 43.7°F (6.5°C) to a cold 32.2°F (0.1°C). Cedarburg in December experiences a minor decline in temperature, with an average low of 23.7°F (-4.6°C) at night.Humidity
In December, the average relative humidity is 82%.Rainfall
The months with the least rainfall in Cedarburg are February and December Rain falls for 6.4 days and accumulates 0.94" (24mm) of rain.Snowfall
January through April, October through December are months with snowfall in Cedarburg, Wisconsin. In Cedarburg, in December, snow falls for 10.1 days, with typically accumulated 2.01" (51mm) of snow. In Cedarburg, during the entire year, snow falls for 47.8 days and aggregates up to 11.57" (294mm) of snow.Daylight
December has the shortest days of the year in Cedarburg, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:17 pm. On the last day of December, in Cedarburg, sunrise is at 7:24 am and sunset at 4:26 pm CST.
Sunshine
The average sunshine in December is 3.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cedarburg, WI
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in December: 23.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Cedarburg, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Cedarburg, WI
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Cedarburg, WI
- Average humidity in December: 82%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Cedarburg, WI
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is July (2.8").
The driest months (with the least rainfall) are February and December (0.94").
Average rainfall days in December
Cedarburg, WI
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Cedarburg, WI
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cedarburg, WI
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cedarburg, 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 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Cedarburg, WI
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is December (16.8 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in December
Cedarburg, 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 and December (UV index 1).
Average cloud cover in December
Cedarburg, WI
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Cedarburg, WI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
