December weather forecastBerlin, WI
December
Weather in December
December, the first month of the winter in Berlin, is still a freezing cold month, with an average temperature fluctuating between 18.5°F (-7.5°C) and 28.4°F (-2°C).Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a wintry 41.7°F (5.4°C) in November to a freezing cold 28.4°F (-2°C). During December nights, Berlin witnesses a consistent average temperature of 18.5°F (-7.5°C).Humidity
In December, the average relative humidity in Berlin is 85%.Rainfall
In December, in Berlin, the rain falls for 5.8 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 131.6 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
Months with snowfall in Berlin, Wisconsin, are January through May, October through December. In Berlin, in December, during 13.5 snowfall days, 5.39" (137mm) of snow is typically accumulated. Throughout the year, in Berlin, there are 61.3 snowfall days, and 24.37" (619mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Berlin.On the first day of the month, sunrise is at 7:11 am and sunset at 4:19 pm. On the last day of December, in Berlin, Wisconsin, sunrise is at 7:30 am and sunset at 4:27 pm CST.
Sunshine
The average sunshine in December is 3.6h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 1 during December translates into the following guidance:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Berlin, WI
- Average high temperature in December: 28.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in December
Berlin, WI
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Berlin, WI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Berlin, WI
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Berlin, WI
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Berlin, WI
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Berlin, WI
- Average snowfall in December: 5.39"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Berlin, WI
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Berlin, 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 36min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Berlin, WI
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is September (16.5 days).
The months with the least sunshine days are June and July (11.3 days).
Average UV index in December
Berlin, WI
- Average UV index in December: 1
The months with the highest UV index are May, 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
Berlin, 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 34).
Average visibility in December
Berlin, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
