December weather forecast
Sound Beach, NY

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Weather in December

December, the first month of the winter in Sound Beach, is still a chilly month, with an average temperature fluctuating between 36.5°F (2.5°C) and 43.9°F (6.6°C).

Temperature

The shift from November to December coincides with a small decrease in the average high-temperature, down to a frosty 43.9°F (6.6°C) from a fresh 52.3°F (11.3°C). Maintaining close parity with daytime warmth, the average nocturnal temperature during December stays at an icy 36.5°F (2.5°C).

Humidity

In December, the average relative humidity is 73%.

Rainfall

December is the month with the most rainfall in Sound Beach. Rain falls for 12.1 days and accumulates 3.82" (97mm) of precipitation.

Snowfall

Months with snowfall are January through March, May and December. December is the first month it typically snows in Sound Beach. Throughout December, in the average 2.3 snowfall days, it receives 1.14" (29mm) of snow. Throughout the year, in Sound Beach, there are 14.9 snowfall days, and 5.71" (145mm) of snow is accumulated.

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 6:57 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:33 pm EST.

Sunshine

In December, the average sunshine in Sound Beach is 4.8h.

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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

Is it cold in Sound Beach during December?

The average high-temperature, in December, in Sound Beach, is 43.9°F (6.6°C), while the average low-temperature is 36.5°F (2.5°C).

What is the average humidity in December in Sound Beach?

The average relative humidity in December in Sound Beach is 73%.

What is the rainiest month in Sound Beach?

December is the month with the most rainfall. Rain falls for 12.1 days and accumulates 3.82" (97mm) of precipitation.

How much does it rain in Sound Beach in December?

In December, in Sound Beach, the rain falls for 12.1 days. Throughout December, 3.82" (97mm) of precipitation is accumulated.

When does it start snowing in Sound Beach?

December is the first month it typically snows. Throughout December, in the average 2.3 snowfall days, it receives 1.14" (29mm) of snow.

What is the month with the shortest days in Sound Beach?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Sound Beach, New York.

How many hours of daylight does Sound Beach have in December?

In December, the average day length in Sound Beach is 9h and 17min.

When is the sunrise / sunset in December in Sound Beach?

On the first day of December in Sound Beach, sunrise is at 6:57 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:33 pm EST.

How many hours of sunshine does Sound Beach have in December?

In December, the average sunshine duration in Sound Beach is 4.8h.

When is the lowest UV index in Sound Beach?

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.

How high is the UV index in December in Sound Beach?

The average daily maximum UV index in December in Sound Beach is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sound Beach, NY

Average temperature in December - Sound Beach, NY
  • Average high temperature in December: 43.9°F

The warmest months (with the highest average high temperature) are July and August (78.3°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 36.5°F

The months with the highest average low temperature are July and August (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure in December
Sound Beach, NY

Average pressure in December - Sound Beach, NY
  • Average pressure in December: 30.06"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).

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Average wind speed in December
Sound Beach, NY

Average wind speed in December - Sound Beach, NY
  • Average wind speed in December: 13.2mph

The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

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Average humidity in December
Sound Beach, NY

Average humidity in December - Sound Beach, NY
  • Average humidity in December: 73%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in December
Sound Beach, NY

Average rainfall in December - Sound Beach, NY
  • Average rainfall in December: 3.82"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is January (2.24").

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Average rainfall days in December
Sound Beach, NY

Average rainfall days in December - Sound Beach, NY
  • Average rainfall days in December: 12.1 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8 days).

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Average snowfall in December
Sound Beach, NY

Average snowfall in December - Sound Beach, NY
  • Average snowfall in December: 1.14"

The month with the highest snowfall is March (2.17").
The months with the least snowfall are April, June, July, August, September, October and November (0").

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Average snowfall days in December
Sound Beach, NY

Average snowfall days in December - Sound Beach, NY
  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Sound Beach, NY

Average daylight in December / Average sunshine in December - Sound Beach, 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Sound Beach, NY

Average sunshine days in December - Sound Beach, NY
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (12.5 days).

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Average UV index in December
Sound Beach, NY

Average UV index in December - Sound Beach, 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).

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Average cloud cover in December
Sound Beach, NY

Average cloud cover in December - Sound Beach, NY
  • Average cloud cover in December: 50

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Sound Beach, NY

Average visibility in December - Sound Beach, 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).

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Sound Beach, New York, USA

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