December weather forecastShinnecock Hills, NY
December
Weather in December
December, the first month of the winter in Shinnecock Hills, is also a frosty month, with an average temperature fluctuating between 45.3°F (7.4°C) and 38.3°F (3.5°C).Temperature
December marks a gentle change in average high-temperature, declining from November's cool 52.9°F (11.6°C) to a frosty 45.3°F (7.4°C). December nights reflect a consistent temperature dip to a cold 38.3°F (3.5°C), a slight descent from daytime peaks.Humidity
In Shinnecock Hills, the average relative humidity in December is 74%.Rainfall
December is the month with the most rainfall. Rain falls for 12.9 days and accumulates 4.06" (103mm) of precipitation.Snowfall
Months with snowfall are January through March, May and December. December is the first month it typically snows in Shinnecock Hills. Throughout December, in the average 2.3 snowfall days, it receives 0.91" (23mm) of snow. Throughout the year, there are 15.4 snowfall days, and 5.43" (138mm) of snow is accumulated.Ocean temperature
In December, the average ocean temperature in Shinnecock Hills, New York, is 49.8°F (9.9°C).Note: In 49.8°F (9.9°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.
Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Shinnecock Hills.On the first day of the month, sunrise is at 6:55 am and sunset at 4:22 pm. On the last day of December, in Shinnecock Hills, New York, sunrise is at 7:14 am and sunset at 4:32 pm EST.
Sunshine
December has the least sunshine of the year in Shinnecock Hills, with an average of 4.7h of sunshine.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. 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
Average temperature in December
Shinnecock Hills, NY
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 38.3°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Shinnecock Hills, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Shinnecock Hills, NY
- Average wind speed in December: 15.6mph
The windiest month (with the highest average wind speed) is January (15.9mph).
The calmest month (with the lowest average wind speed) is July (10.5mph).
Average humidity in December
Shinnecock Hills, NY
- Average humidity in December: 74%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall in December
Shinnecock Hills, NY
- Average rainfall in December: 4.06"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Shinnecock Hills, NY
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Shinnecock Hills, NY
- Average snowfall in December: 0.91"
The month with the highest snowfall is March (1.69").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in December
Shinnecock Hills, NY
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Shinnecock Hills, NY
- Average sea temperature in December: 49.8°F
The best month for swimming (with the highest average sea temperature) is August (73.3°F).
The coldest month (with the lowest average sea temperature) is February (39.8°F).
Average daylight in December /
Average sunshine in December
Shinnecock Hills, NY
- Average daylight in December: 9h and 18min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Shinnecock Hills, NY
- Average sunshine days in December: 14 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Shinnecock Hills, 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 and December (UV index 2).
Average cloud cover in December
Shinnecock Hills, NY
- Average cloud cover in December: 51
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Shinnecock Hills, 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).
