December weather forecastBayside, WI
December
Weather in December
December, the first month of the winter in Bayside, is also an icy month, with temperature in the range of an average high of 32.9°F (0.5°C) and an average low of 25°F (-3.9°C).Temperature
The beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 43.7°F (6.5°C) in November to an icy 32.9°F (0.5°C). Bayside's nights in December maintain a consistent average of 25°F (-3.9°C), demonstrating a minimal differential from its daytime temperature.Humidity
The average relative humidity in December is 81%.Rainfall
December is the month with the least rainfall. Rain falls for 5.5 days and accumulates 0.71" (18mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 7.7 days. Throughout December, 1.3" (33mm) of snow is accumulated. Throughout the year, there are 42.5 snowfall days, and 8.23" (209mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:26 pm CST.
Sunshine
The average sunshine in December is 4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. 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 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bayside, WI
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Bayside, 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
Bayside, WI
- Average wind speed in December: 11.8mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Bayside, WI
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Bayside, WI
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in December
Bayside, WI
- Average rainfall days in December: 5.5 days
The months with the highest number of rainy days are May, June and July (15.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Bayside, WI
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Bayside, WI
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bayside, 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 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Bayside, WI
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Bayside, 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
Bayside, WI
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Bayside, WI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
