December weather forecastNorth Sea, NY

December

Weather in December

The first month of the winter, December, is also a frosty month in North Sea, New York, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 45.3°F (7.4°C).

Temperature

As December begins, there is a minor decrease in the average high-temperature, softly falling from a fresh 52.9°F (11.6°C) in November to a frosty 45.3°F (7.4°C). North Sea registers an average low-temperature of 38.3°F (3.5°C) throughout December, a modest decrease from its daytime highs.

Humidity

In December, the average relative humidity is 74%.

Rainfall

The months with the most rainfall in North Sea are October and December, with an average 2.6" (66mm) of precipitation.

Snowfall

January through March, May, November and December are months with snowfall in North Sea, New York. In North Sea, in December, snow falls for 2.5 days, with typically accumulated 0.75" (19mm) of snow. In North Sea, during the entire year, snow falls for 15.6 days and aggregates up to 5.16" (131mm) of snow.

Ocean temperature

In North Sea, in December, the average water temperature 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 North Sea, New York.
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, sunrise is at 7:14 am and sunset at 4:31 pm EST.

Sunshine

With an average of 4.7h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in North Sea are January through March and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in North Sea, the average high-temperature is 45.3°F (7.4°C), and the average low-temperature is 38.3°F (3.5°C).

In North Sea, New York, the average relative humidity in December is 74%.

The months with the most rainfall in North Sea, New York, are October and December, with an average 2.6" (66mm) of precipitation.

In North Sea, New York, in December, during 11.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

In North Sea, during December, snow falls for 2.5 days and regularly aggregates up to 0.75" (19mm) of snow.

In North Sea, New York, the average seawater temperature in December is 49.8°F (9.9°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

December has the shortest days of the year, with an average of 9h and 18min of daylight.

In North Sea, the average day length in December is 9h and 17min.

On the first day of December in North Sea, sunrise is at 6:55 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:31 pm EST.

December has the least sunshine of the year, with an average of 4.7h of sunshine.

In North Sea, the average sunshine duration in December is 4.7h.

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in North Sea, New York.

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

52.9°F

45.3°F

39°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.7mph

17mph

17.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.3

2.5

4.7

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

17.5

14.5

16.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
North Sea, NY

Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is January (39°F).

Average low temperature in December: 38.3°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in December
North Sea, NY

Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
North Sea, NY

Average wind speed in December: 15.9mph

The windiest month (with the highest average wind speed) is January (16.3mph).
The calmest month (with the lowest average wind speed) is July (10.7mph).

Average humidity in December
North Sea, NY

Average humidity in December: 74%

The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (72%).

Average rainfall in December
North Sea, NY

Average rainfall in December: 2.6"

The wettest months (with the highest rainfall) are October and December (2.6").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in December
North Sea, NY

Average rainfall days in December: 11.8 days

The months with the highest number of rainy days are May and July (14.8 days).
The months with the least rainy days are January and February (8.8 days).

Average snowfall in December
North Sea, NY

Average snowfall in December: 0.75"

The month with the highest snowfall is March (1.57").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in December
North Sea, NY

Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in December
North Sea, 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
North Sea, 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 August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in December
North Sea, NY

Average sunshine days in December: 14.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in December
North Sea, 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
North Sea, 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 26).

Average visibility in December
North Sea, 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).