December weather forecast
Long Beach, NY

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Weather in December

December paints a wintry picture of Long Beach, as the city officially steps into its winter season. This month witnesses a significant decline in temperature and daylight hours, as the city prepares to welcome the new year. Importantly, it is the month with the highest rainfall, receiving an average of 3.74" (95mm) of precipitation. The resultant snowfall and the city's festive ambiance give the last month of the year a unique character. Despite the chill, December's highlights make it a uniquely enjoyable time.

Temperature

December ushers in a minor alteration in Long Beach's climate, with the average high-temperature moving from November's fresh 51.6°F (10.9°C) to a frosty 43.7°F (6.5°C). Long Beach documents an average low-temperature of 36.7°F (2.6°C) for the nights of December.

Humidity

In Long Beach, the average relative humidity in December is 74%.

Rainfall

In December, the rain falls for 11.5 days. Throughout December, 3.74" (95mm) of precipitation is accumulated. In Long Beach, during the entire year, the rain falls for 159.2 days and collects up to 37.17" (944mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Long Beach, in December, snow falls for 2.1 days, with typically accumulated 0.98" (25mm) of snow. In Long Beach, during the entire year, snow falls for 15.3 days and aggregates up to 5.04" (128mm) of snow.

Ocean temperature

In Long Beach, New York, the average seawater temperature in December is 48°F (8.9°C).
Note: If planning to swim in 48°F (8.9°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December in Long Beach, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:37 pm EST.

Sunshine

The average sunshine in December is 4.9h.

UV index

The months with the lowest UV index in Long Beach are January through March and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk 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:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In December, the average high-temperature and low-temperature are 43.7°F (6.5°C) and 36.7°F (2.6°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 74%.

How much does it rain in December?

In Long Beach, in December, it is raining for 11.5 days, with typically 3.74" (95mm) of accumulated precipitation.

How many days does it snow in December?

In Long Beach, in December, during 2.1 snowfall days, 0.98" (25mm) of snow is typically accumulated.

What is the water temperature in December?

In December, the average ocean temperature is 48°F (8.9°C). Swimming in 48°F (8.9°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Long Beach, the average day length in December is 9h and 20min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:37 pm EST.

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

In December, the average sunshine duration is 4.9h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In Long Beach, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
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
Long Beach, NY

Average temperature in December - Long Beach, NY
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 36.7°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in December
Long Beach, NY

Average pressure in December - Long Beach, 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
Long Beach, NY

Average wind speed in December - Long Beach, NY
  • Average wind speed in December: 13.1mph

The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

Average humidity in December
Long Beach, NY

Average humidity in December - Long Beach, NY
  • Average humidity in December: 74%

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

Average rainfall in December
Long Beach, NY

Average rainfall in December - Long Beach, NY
  • Average rainfall in December: 3.74"

The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in December
Long Beach, NY

Average rainfall days in December - Long Beach, NY
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in December
Long Beach, NY

Average snowfall in December - Long Beach, NY
  • Average snowfall in December: 0.98"

The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Long Beach, NY

Average snowfall days in December - Long Beach, NY
  • Average snowfall days in December: 2.1 days

The months with the highest number of snowfall days are January and February (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in December
Long Beach, NY

Average sea temperature in December - Long Beach, 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
Long Beach, NY

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

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
Long Beach, NY

Average sunshine days in December - Long Beach, NY
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in December
Long Beach, NY

Average UV index in December - Long 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).

Average cloud cover in December
Long Beach, NY

Average cloud cover in December - Long Beach, NY
  • Average cloud cover in December: 48

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Long Beach, NY

Average visibility in December - Long 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).

Long Beach, New York, USA

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