December weather forecastKieler, WI
December
Weather in December
December, the first month of the winter in Kieler, is also a subzero cold month, with an average temperature fluctuating between 31.1°F (-0.5°C) and 21°F (-6.1°C).Temperature
Kieler, Wisconsin, in December undergoes a mild reduction in the average high-temperature, shifting from November's chilly 43.7°F (6.5°C) to a subzero cold 31.1°F (-0.5°C). Kieler's temperature tends to fall to an average low of 21°F (-6.1°C) during the nights of December.Humidity
The average relative humidity in December is 83%.Rainfall
In Kieler, in December, during 5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Kieler, during the entire year, the rain falls for 124.6 days and collects up to 20.2" (513mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 10.1 days. Throughout December, 2.36" (60mm) of snow is accumulated. In Kieler, during the entire year, snow falls for 44.5 days and aggregates up to 13.35" (339mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:39 pm CST.
Sunshine
The average sunshine in December is 4.1h.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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 1 in December transforms into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kieler, WI
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in December
Kieler, WI
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Kieler, WI
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in December
Kieler, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Kieler, WI
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Kieler, WI
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in December
Kieler, WI
- Average snowfall in December: 2.36"
The months with the highest snowfall are January and February (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Kieler, WI
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (11.8 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
Kieler, WI
- Average daylight in December: 9h and 6min
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 6min).
- Average sunshine in December: 4h and 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Kieler, WI
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in December
Kieler, WI
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Kieler, WI
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Kieler, WI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





