December weather forecastLake Mills, WI
December
Weather in December
December, the first month of the winter in Lake Mills, is also a subzero cold month, with temperature in the range of an average high of 30.2°F (-1°C) and an average low of 19.9°F (-6.7°C).Temperature
December indicates a shift in the average high-temperature, from November's cold 42.4°F (5.8°C) to a subzero cold 30.2°F (-1°C). Lake Mills's December nights cool down to an average low-temperature of 19.9°F (-6.7°C).Humidity
The average relative humidity in December is 84%.Rainfall
The month with the least rainfall in Lake Mills is December, when the rain falls for 5.9 days and typically collects 0.87" (22mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Lake Mills, during December, snow falls for 11.2 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, there are 52.3 snowfall days, and 13.31" (338mm) of snow is accumulated.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 7:08 am and sunset at 4:21 pm. On the last day of December, in Lake Mills, Wisconsin, sunrise is at 7:27 am and sunset at 4:30 pm CST.
Sunshine
In Lake Mills, the average sunshine in December is 3.9h.UV index
The months with the lowest UV index in Lake Mills, Wisconsin, are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lake Mills, WI
- Average high temperature in December: 30.2°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in December: 19.9°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 (11.1°F).
Average pressure in December
Lake Mills, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Lake Mills, WI
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Lake Mills, WI
- Average humidity in December: 84%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Lake Mills, WI
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in December
Lake Mills, WI
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Lake Mills, WI
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lake Mills, WI
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lake Mills, 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: 3h and 54min
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 18min).
Average sunshine days in December
Lake Mills, WI
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Lake Mills, 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
Lake Mills, WI
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Lake Mills, 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).
