December weather forecastKewaunee, WI
December
Weather in December
December, the first month of the winter in Kewaunee, is still a freezing cold month, with temperature in the range of an average high of 31.1°F (-0.5°C) and an average low of 23°F (-5°C).Temperature
In December, the average high-temperature goes from a cold 42.3°F (5.7°C) in November to a freezing cold 31.1°F (-0.5°C). During December, nights in Kewaunee cool slightly to an average low of 23°F (-5°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 5.6 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. In Kewaunee, during the entire year, the rain falls for 132.6 days and collects up to 25.55" (649mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Kewaunee, Wisconsin, in December, during 13.1 snowfall days, 3.82" (97mm) of snow is typically accumulated. In Kewaunee, during the entire year, snow falls for 59.4 days and aggregates up to 18.94" (481mm) of snow.Ocean temperature
In Kewaunee, in December, the average water temperature is 40.6°F (4.8°C).Note: In the course of swimming, this situation is life-threatening and fraught with risk. The severe cold of the water leads to immediate hyperventilation. Wearing a specialized swimsuit is critical to limit thermal injury.
Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:06 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:20 pm CST.
Sunshine
The average sunshine in December in Kewaunee is 3.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kewaunee, WI
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Kewaunee, WI
- Average pressure in December: 30.06"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
Kewaunee, WI
- Average wind speed in December: 12mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
Kewaunee, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Kewaunee, WI
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in December
Kewaunee, WI
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (4.2 days).
Average snowfall in December
Kewaunee, WI
- Average snowfall in December: 3.82"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Kewaunee, WI
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Kewaunee, WI
- Average sea temperature in December: 40.6°F
The best month for swimming (with the highest average sea temperature) is August (69.7°F).
The coldest month (with the lowest average sea temperature) is February (36.6°F).
Average daylight in December /
Average sunshine in December
Kewaunee, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).
Average sunshine days in December
Kewaunee, WI
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (11 days).
Average UV index in December
Kewaunee, 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
Kewaunee, WI
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Kewaunee, 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).
