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
As November transitions into December, Great Neck Estates sees a drop in the average high-temperature, transitioning from a fresh 51.8°F (11°C) to a cold 42.4°F (5.8°C). Night temperatures during December experience a slight downturn, averaging a still wintry 34.5°F (1.4°C).Humidity
The months with the highest humidity are February, May and December, with an average relative humidity of 75%.Rainfall
In Great Neck Estates, in December, it is raining for 11.4 days, with typically 3.5" (89mm) of accumulated precipitation. Throughout the year, there are 155.6 rainfall days, and 34.72" (882mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Great Neck Estates, in December, snow falls for 3 days, with typically accumulated 1.18" (30mm) of snow. In Great Neck Estates, New York, during the entire year, snow falls for 15 days and aggregates up to 5.39" (137mm) of snow.Ocean temperature
In December, the average ocean temperature in Great Neck Estates is 48°F (8.9°C).Note: Danger awaits those who swim in 48°F (8.9°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:37 pm EST.
Sunshine
In December, the average sunshine is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Great Neck Estates in December?
What is the most humid month in Great Neck Estates?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the ocean temperature in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Great Neck Estates have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Great Neck Estates, NY
- Average high temperature in December: 42.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 34.5°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
Great Neck Estates, 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
Great Neck Estates, 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 (7.3mph).
Average humidity in December
Great Neck Estates, NY
- Average humidity in December: 75%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in December
Great Neck Estates, NY
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
Great Neck Estates, NY
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Great Neck Estates, NY
- Average snowfall in December: 1.18"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Great Neck Estates, NY
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Great Neck Estates, 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
Great Neck Estates, NY
- 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Great Neck Estates, NY
- Average sunshine days in December: 17.3 days
The months with the most sunshine days are January and November (19.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Great Neck Estates, 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
Great Neck Estates, NY
- Average cloud cover in December: 47
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Great Neck Estates, 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).
Great Neck Estates, New York, USA
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