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 chilly 47.3°F (8.5°C) to an icy 35.6°F (2°C). An average minimum temperature of 25.7°F (-3.5°C) marks the month of December in East Brooklyn.Humidity
The average relative humidity in December is 81%.Rainfall
In East Brooklyn, during December, the rain falls for 7.2 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, in East Brooklyn, there are 140.4 rainfall days, and 21.5" (546mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, in East Brooklyn, it is snowing for 8.5 days. Throughout December, 1.42" (36mm) of snow is accumulated. Throughout the year, there are 38.1 snowfall days, and 9.13" (232mm) of snow is accumulated.Daylight
The month with the shortest days in East Brooklyn is December, with an average of 9h and 18min of daylight.On the first day of December in East Brooklyn, sunrise is at 6:59 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:34 pm CST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in East Brooklyn. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 1 during December leads to these advisories:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in East Brooklyn in December?
What is the average humidity in December in East Brooklyn?
How many days does it rain in December in East Brooklyn?
How many days does it snow in December in East Brooklyn?
What is the month with the shortest days in East Brooklyn?
What is the average length of the day in December in East Brooklyn?
When is the sunrise / sunset in December in East Brooklyn?
How many hours of sunshine does East Brooklyn have in December?
What is the month with the lowest UV index in East Brooklyn?
How high is the UV index in December in East Brooklyn?
Average temperature in December
East Brooklyn, IL
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
East Brooklyn, IL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
East Brooklyn, IL
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
East Brooklyn, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
East Brooklyn, IL
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in December
East Brooklyn, IL
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in December
East Brooklyn, IL
- Average snowfall in December: 1.42"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
East Brooklyn, IL
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
East Brooklyn, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
East Brooklyn, IL
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
East Brooklyn, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
East Brooklyn, IL
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in December
East Brooklyn, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
East Brooklyn, Illinois, USA
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