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
In Brooklyn, the average high-temperature in December drops from an icy 42.6°F (5.9°C) in November to a freezing cold 30.7°F (-0.7°C). Brooklyn encounters an average low-temperature of 20.7°F (-6.3°C) during December nights.Humidity
In December, the average relative humidity in Brooklyn is 84%.Rainfall
The month with the least rainfall in Brooklyn is December, when the rain falls for 4.2 days and typically collects 0.31" (8mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Brooklyn. In December, it is snowing for 8 days. Throughout December, 0.35" (9mm) of snow is accumulated. Throughout the year, in Brooklyn, there are 35.7 snowfall days, and 4.06" (103mm) of snow is accumulated.Daylight
December has the shortest days of the year in Brooklyn, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:33 pm CST.
Sunshine
In Brooklyn, Wisconsin, the average sunshine in December is 3.8h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Brooklyn, Wisconsin. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
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 harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Brooklyn in December?
What is the average humidity in December in Brooklyn?
What is the driest month in Brooklyn?
How many days does it rain in December in Brooklyn?
How many days does it snow in December in Brooklyn?
What is the month with the shortest days in Brooklyn?
What is the average length of the day in December in Brooklyn?
What time are sunrise and sunset in December in Brooklyn?
How many hours of sunshine does Brooklyn have in December?
When is the lowest UV index in Brooklyn?
How high is the UV index in December in Brooklyn?
Average temperature in December
Brooklyn, WI
- Average high temperature in December: 30.7°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 (24.3°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in December
Brooklyn, 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 (29.91"Hg).
Average wind speed in December
Brooklyn, WI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Brooklyn, WI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Brooklyn, WI
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is June (0.98").
The driest month (with the least rainfall) is December (0.31").
Average rainfall days in December
Brooklyn, WI
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in December
Brooklyn, WI
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Brooklyn, WI
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brooklyn, WI
- Average daylight in December: 9h and 1min
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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Brooklyn, WI
- Average sunshine days in December: 22.6 days
The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in December
Brooklyn, WI
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Brooklyn, WI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July, August and September (Cloud cover 35).
Average visibility in December
Brooklyn, WI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Brooklyn, Wisconsin, USA
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