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
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a cool 53.2°F (11.8°C) in November to a frosty 44.8°F (7.1°C). Nightly temperatures drop to an average low of 33.4°F (0.8°C) in December.Humidity
In Brooklyn, the average relative humidity in December is 75%.Rainfall
In Brooklyn, in December, during 10.1 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 158.5 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Brooklyn, in December, during 2.2 snowfall days, 0.63" (16mm) of snow is typically accumulated. Throughout the year, there are 12.8 snowfall days, and 6.06" (154mm) of snow is accumulated.Daylight
The month with the shortest days in Brooklyn is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.
Sunshine
In Brooklyn, the average sunshine in December is 5.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December in Brooklyn?
How many days 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 Brooklyn have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Brooklyn have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Brooklyn, MD
- Average high temperature in December: 44.8°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
Brooklyn, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Brooklyn, MD
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Brooklyn, MD
- Average humidity in December: 75%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April, July and November (72%).
Average rainfall in December
Brooklyn, MD
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Brooklyn, MD
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in December
Brooklyn, MD
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Brooklyn, MD
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Brooklyn, MD
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Brooklyn, MD
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Brooklyn, MD
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Brooklyn, MD
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Brooklyn, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Brooklyn, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location