Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December brings a small change in high-temperatures, falling from a wintry 42.6°F (5.9°C) in November to a subzero cold 29.3°F (-1.5°C). In Lone Rock, an average nighttime temperature of 18.9°F (-7.3°C) is expected during December.Humidity
In December, the average relative humidity is 85%.Rainfall
In Lone Rock, in December, it is raining for 5.4 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 122.9 rainfall days, and 17.76" (451mm) of precipitation is accumulated.Snowfall
Months with snowfall in Lone Rock are January through April, October through December. In Lone Rock, Wisconsin, in December, snow falls for 10.5 days, with typically accumulated 1.77" (45mm) of snow. Throughout the year, in Lone Rock, Wisconsin, there are 51.6 snowfall days, and 12.17" (309mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:13 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:35 pm CST.
Sunshine
The average sunshine in December is 3.7h.UV index
January, 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 low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. 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
How cold is it in Lone Rock in December?
What is the average humidity in December in Lone Rock?
How many days does it rain in December in Lone Rock?
How many days does it snow in December in Lone Rock?
What is the month with the shortest days in Lone Rock?
What is the average length of the day in December in Lone Rock?
When are sunrise and sunset in December in Lone Rock?
How long on average sun shines in December in Lone Rock?
What are the months with the lowest UV index in Lone Rock?
How high is the UV index in December in Lone Rock?
Average temperature in December
Lone Rock, WI
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in December
Lone Rock, WI
- Average pressure in December: 30.09"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
Lone Rock, WI
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Lone Rock, 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 (77%).
Average rainfall in December
Lone Rock, WI
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is July (2.32").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Lone Rock, WI
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in December
Lone Rock, WI
- Average snowfall in December: 1.77"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lone Rock, WI
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is February (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lone Rock, WI
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 3h and 4min
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 12min).
Average sunshine days in December
Lone Rock, WI
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Lone Rock, 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
Lone Rock, WI
- Average cloud cover in December: 63
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 34).
Average visibility in December
Lone Rock, 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).
Lone Rock, Wisconsin, USA
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