December weather forecastKewaskum, WI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Kewaskum, Wisconsin, with an average temperature fluctuating between 21°F (-6.1°C) and 30.4°F (-0.9°C).Temperature
December weather is marked by a drop in the average high-temperature, falling from a wintry 42.1°F (5.6°C) in November to a freezing cold 30.4°F (-0.9°C). In Kewaskum, an average low-temperature of 21°F (-6.1°C) is recorded during December nights.Humidity
In December, the average relative humidity in Kewaskum is 85%.Rainfall
In Kewaskum, Wisconsin, in December, it is raining for 5.6 days, with typically 1.3" (33mm) of accumulated precipitation. In Kewaskum, Wisconsin, during the entire year, the rain falls for 136.9 days and collects up to 25.94" (659mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Kewaskum. In December, it is snowing for 11.4 days. Throughout December, 3.27" (83mm) of snow is accumulated. Throughout the year, in Kewaskum, there are 51.4 snowfall days, and 17.05" (433mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December in Kewaskum, sunrise is at 7:06 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:26 pm CST.
Sunshine
The average sunshine in December is 3.7h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kewaskum, WI
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in December
Kewaskum, 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 (29.91"Hg).
Average wind speed in December
Kewaskum, WI
- Average wind speed in December: 10.4mph
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 (7.1mph).
Average humidity in December
Kewaskum, WI
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Kewaskum, WI
- Average rainfall in December: 1.3"
The wettest months (with the highest rainfall) are May and June (3.23").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Kewaskum, WI
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Kewaskum, WI
- Average snowfall in December: 3.27"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Kewaskum, WI
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is January (13.3 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
Kewaskum, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Kewaskum, WI
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in December
Kewaskum, 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, November and December (UV index 1).
Average cloud cover in December
Kewaskum, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Kewaskum, 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).





