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 sea temperature 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
With December's onset, the weather reveals a slight temperature decrease, transitioning from a cool 52°F (11.1°C) in November to a frosty 43.2°F (6.2°C). With a barely noticeable fluctuation in temperature, Brooklyn reaches an average low of 34.7°F (1.5°C) during the December nights.Humidity
The average relative humidity in December is 75%.Rainfall
In Brooklyn, in December, it is raining for 8.2 days, with typically 0.94" (24mm) of accumulated precipitation. In Brooklyn, during the entire year, the rain falls for 110.8 days and collects up to 10.39" (264mm) of precipitation.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 2.3 snowfall days, it receives 0.2" (5mm) of snow. In Brooklyn, during the entire year, snow falls for 13 days and aggregates up to 1.3" (33mm) of snow.Ocean temperature
In Brooklyn, in December, the average water temperature is 48°F (8.9°C).Note: With the appropriate swimsuit, one can swim in 48°F (8.9°C) even if temperatures dip below 50°F (10°C); otherwise, be ready for cold shock and breath issues. A fleeting swim around 55.4°F (13°C) is distressing.
Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:38 pm EST.
Sunshine
The average sunshine in December in Brooklyn, New York, is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
Is it cold in Brooklyn during December?
What is the average humidity in December in Brooklyn?
How much does it rain in Brooklyn in December?
When does it start snowing in Brooklyn?
How cold is the water 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?
What is the month with the lowest UV index in Brooklyn?
What is the UV index reading in December in Brooklyn?
Average temperature in December
Brooklyn, NY
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Brooklyn, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Brooklyn, NY
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in December
Brooklyn, NY
- Average humidity in December: 75%
The months with the highest relative humidity are February, May and June (76%).
The months with the lowest relative humidity are August and November (72%).
Average rainfall in December
Brooklyn, NY
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in December
Brooklyn, NY
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in December
Brooklyn, NY
- Average snowfall in December: 0.2"
The month with the highest snowfall is March (0.55").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in December
Brooklyn, NY
- Average snowfall days in December: 2.3 days
The months with the highest number of snowfall days are January and February (3.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in December
Brooklyn, NY
- Average sea temperature in December: 48.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in December /
Average sunshine in December
Brooklyn, NY
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Brooklyn, NY
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (16 days).
Average UV index in December
Brooklyn, NY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Brooklyn, NY
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Brooklyn, NY
- 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, New York, USA
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