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
Big Flats in December undergoes a mild reduction in the average high-temperature, shifting from November's cold 41.4°F (5.2°C) to a freezing cold 28°F (-2.2°C). Throughout the nights in December, an average low-temperature of 18°F (-7.8°C) is noted.Humidity
In December, the average relative humidity is 85%.Rainfall
In December, the rain falls for 5 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. In Big Flats, during the entire year, the rain falls for 129.4 days and collects up to 26.3" (668mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Big Flats, in December, snow falls for 11.9 days, with typically accumulated 4.45" (113mm) of snow. In Big Flats, during the entire year, snow falls for 55 days and aggregates up to 21.77" (553mm) of snow.Daylight
The month with the shortest days in Big Flats 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 4:22 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:30 pm CST.
Sunshine
The average sunshine in December is 3.6h.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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Big Flats have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Big Flats have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Big Flats, WI
- Average high temperature in December: 28°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in December: 18°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Big Flats, 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
Big Flats, WI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Big Flats, WI
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Big Flats, WI
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in December
Big Flats, WI
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in December
Big Flats, WI
- Average snowfall in December: 4.45"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Big Flats, WI
- Average snowfall days in December: 11.9 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
Big Flats, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 4min
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 12min).
Average sunshine days in December
Big Flats, WI
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Big Flats, 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
Big Flats, WI
- Average cloud cover in December: 65
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 33).
Average visibility in December
Big Flats, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Big Flats, Wisconsin, USA
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