December weather forecastBeaver Dam, WI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Beaver Dam, Wisconsin, with an average temperature ranging between min 19.4°F (-7°C) and max 29.1°F (-1.6°C).Temperature
December is characterized by a reduction in the average high-temperature, from an icy 41.9°F (5.5°C) in November to a subzero cold 29.1°F (-1.6°C). In Beaver Dam, the average nighttime temperature during December is a still freezing cold 19.4°F (-7°C).Humidity
The average relative humidity in December is 85%.Rainfall
The months with the least rainfall are January, February, November and December Rain falls for 3.6 days and accumulates 0.59" (15mm) of rain.Snowfall
Months with snowfall in Beaver Dam are January through April, October through December. In Beaver Dam, in December, snow falls for 11 days, with typically accumulated 1.5" (38mm) of snow. In Beaver Dam, during the entire year, snow falls for 51 days and aggregates up to 9.33" (237mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:20 pm. On the last day of December, in Beaver Dam, sunrise is at 7:28 am and sunset at 4:29 pm CST.
Sunshine
In December, the average sunshine is 3.6h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Beaver Dam, WI
- Average high temperature in December: 29.1°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 (22.6°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Beaver Dam, 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
Beaver Dam, WI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Beaver Dam, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Beaver Dam, WI
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are January, February, November and December (0.59").
Average rainfall days in December
Beaver Dam, WI
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Beaver Dam, WI
- Average snowfall in December: 1.5"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Beaver Dam, WI
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Beaver Dam, 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 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Beaver Dam, WI
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in December
Beaver Dam, 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, November and December (UV index 1).
Average cloud cover in December
Beaver Dam, WI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Beaver Dam, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
