December weather forecastButler, WI
December
Weather in December
December, the first month of the winter in Butler, is also an icy month, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 32°F (0°C).Temperature
The transition into December involves a decrease in the average high-temperature, falling from a chilly 43.7°F (6.5°C) in November to an icy 32°F (0°C). December records a small disparity from daytime temperatures, marking an average low-temperature of 23.4°F (-4.8°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Butler, during December, the rain falls for 6.8 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Butler, there are 143.3 rainfall days, and 28.11" (714mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Butler, in December, during 10.8 snowfall days, 3.35" (85mm) of snow is typically accumulated. In Butler, during the entire year, snow falls for 53.1 days and aggregates up to 18.9" (480mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:27 pm CST.
Sunshine
In December, the average sunshine is 4h.UV index
January 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 threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 1 during December translates into the following guidance:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Butler, WI
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Butler, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Butler, WI
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Butler, WI
- Average humidity in December: 82%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Butler, WI
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in December
Butler, WI
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Butler, WI
- Average snowfall in December: 3.35"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Butler, WI
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Butler, 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 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Butler, WI
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (10.9 days).
Average UV index in December
Butler, WI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Butler, WI
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Butler, WI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
