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 sea temperature 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 commencement of December in Bayfield involves a temperature shift, with the average high-temperature dropping from a cold 37.6°F (3.1°C) in November to a subzero cold 25.3°F (-3.7°C). A modest dip in temperatures to an average of 18°F (-7.8°C) is observed throughout Bayfield's December nights.Humidity
In December, the average relative humidity in Bayfield is 87%.Rainfall
In December, the rain falls for 5.8 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 127.9 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
Months with snowfall in Bayfield are January through May, October through December. In December, in Bayfield, it is snowing for 20.4 days. Throughout December, 6.81" (173mm) of snow is accumulated. In Bayfield, during the entire year, snow falls for 95.5 days and aggregates up to 33.54" (852mm) of snow.Ocean temperature
In Bayfield, in December, the average water temperature is 39.2°F (4°C).Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of December in Bayfield, sunrise is at 7:28 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:25 pm CST.
Sunshine
In Bayfield, the average sunshine in December is 2.6h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Bayfield, Wisconsin. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Bayfield in December?
What is the average humidity in December in Bayfield?
How much does it rain in Bayfield in December?
How many days does it snow in December in Bayfield?
What is the ocean temperature in December in Bayfield?
What is the month with the shortest days in Bayfield?
How many hours of daylight does Bayfield have in December?
What time are sunrise and sunset in December in Bayfield?
How long on average sun shines in December in Bayfield?
What is the month with the lowest UV index in Bayfield?
How high is the UV index in December in Bayfield?
Average temperature in December
Bayfield, WI
- Average high temperature in December: 25.3°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in December: 18°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Bayfield, WI
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Bayfield, WI
- Average wind speed in December: 10.6mph
The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in December
Bayfield, WI
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Bayfield, WI
- Average rainfall in December: 1.73"
The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").
Average rainfall days in December
Bayfield, WI
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
Bayfield, WI
- Average snowfall in December: 6.81"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bayfield, WI
- Average snowfall days in December: 20.4 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Bayfield, WI
- Average sea temperature in December: 39°F
The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest months (with the lowest average sea temperature) are February, March and April (36°F).
Average daylight in December /
Average sunshine in December
Bayfield, WI
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Bayfield, WI
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in December
Bayfield, 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, November and December (UV index 1).
Average cloud cover in December
Bayfield, WI
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Bayfield, 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).
Bayfield, Wisconsin, USA
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