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
A subtle decrease in the average high-temperature marks December, falling from November's icy 41.4°F (5.2°C) to a freezing cold 28°F (-2.2°C). Nighttime temperature experiences an average drop to 18°F (-7.8°C) in December.Humidity
The average relative humidity in December in Big Flats is 85%.Rainfall
In December, in Big Flats, the rain falls for 5 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. Throughout the year, in Big Flats, there are 129.4 rainfall days, and 26.3" (668mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Big Flats, Wisconsin, it is snowing for 11.9 days. Throughout December, 4.45" (113mm) of snow is accumulated. Throughout the year, there are 55 snowfall days, and 21.77" (553mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:15 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:30 pm CST.
Sunshine
In Big Flats, Wisconsin, the average sunshine in December is 3.6h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Big Flats in December?
What is the average humidity in December in Big Flats?
How many days does it rain in December in Big Flats?
How much does it snow in Big Flats in December?
What is the month with the shortest days in Big Flats?
How many hours of daylight does Big Flats have in December?
What time are sunrise and sunset in December in Big Flats?
How many hours of sunshine does Big Flats have in December?
When is the lowest UV index in Big Flats?
What is the UV index reading in December in Big Flats?
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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