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
December is characterized by a reduction in the average high-temperature, from an icy 40.1°F (4.5°C) in November to a freezing cold 26.6°F (-3°C). December brings Biron a consistent average low-temperature of 16.7°F (-8.5°C).Humidity
In Biron, the average relative humidity in December is 87%.Rainfall
In Biron, during December, the rain falls for 4.7 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Biron, during the entire year, the rain falls for 119 days and collects up to 16.26" (413mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 13.4 days and typically aggregates up to 3.27" (83mm) of snow.Daylight
The month with the shortest days in Biron is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:29 pm CST.
Sunshine
In December, the average sunshine is 3.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 1 during December translates into the following guidance:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in Biron in December?
When does it snow the most?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Biron have in December?
What are the months with the lowest UV index?
What is the UV index reading in December in Biron?
Average temperature in December
Biron, WI
- Average high temperature in December: 26.6°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 16.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in December
Biron, WI
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Biron, WI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Biron, WI
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Biron, WI
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is June (2.24").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in December
Biron, WI
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Biron, WI
- Average snowfall in December: 3.27"
The month with the highest snowfall is December (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Biron, WI
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Biron, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Biron, WI
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in December
Biron, 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, February, November and December (UV index 1).
Average cloud cover in December
Biron, WI
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Biron, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Biron, Wisconsin, USA
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