December weather forecast
Manasquan, NJ

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Weather in December

December, the first month of the winter in Manasquan, is also a frosty month, with an average temperature fluctuating between 37°F (2.8°C) and 45°F (7.2°C).

Temperature

December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's cool 52.9°F (11.6°C) to a chilly 45°F (7.2°C). Throughout December, Manasquan records a steady low-temperature average of 37°F (2.8°C), a minor decrease from its daytime counterpart.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Manasquan, New Jersey, during December, the rain falls for 12.2 days and regularly aggregates up to 3.7" (94mm) of precipitation. Throughout the year, there are 158.1 rainfall days, and 34.13" (867mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Manasquan, in December, during 2.4 snowfall days, 1.22" (31mm) of snow is typically accumulated. In Manasquan, during the entire year, snow falls for 14.1 days and aggregates up to 4.76" (121mm) of snow.

Ocean temperature

In Manasquan, the average seawater temperature in December is 48°F (8.9°C).
Note: It is life-risking to swim in 48°F (8.9°C). Briefly staying in 55.4°F (13°C) waters feels unsettling, and temperatures below 50°F (10°C) might result in cold shock and loss of breath control, hinging on personal endurance.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:40 pm EST.

Sunshine

The average sunshine in December is 5.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

The high-temperature, in December, in Manasquan, records 45°F (7.2°C), while the low-temperature is 37°F (2.8°C).

What is the average humidity in December?

In December, the average relative humidity is 76%.

How much does it rain in December?

In December, the rain falls for 12.2 days. Throughout December, 3.7" (94mm) of precipitation is accumulated.

How much does it snow in December?

In December, in Manasquan, it is snowing for 2.4 days. Throughout December, 1.22" (31mm) of snow is accumulated.

What is the water temperature in December?

In Manasquan, the average seawater temperature in December is 48°F (8.9°C). Swimming in 48°F (8.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Manasquan?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 23min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:40 pm EST.

How long on average sun shines in December?

In Manasquan, the average sunshine duration in December is 5.1h.

What are the months with the lowest UV index in Manasquan?

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

What is the UV index intensity in December in Manasquan?

In Manasquan, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Manasquan, NJ

Average temperature in December - Manasquan, NJ
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 37°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 (29.7°F).

Average pressure in December
Manasquan, NJ

Average pressure in December - Manasquan, NJ
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Manasquan, NJ

Average wind speed in December - Manasquan, NJ
  • Average wind speed in December: 12.4mph

The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in December
Manasquan, NJ

Average humidity in December - Manasquan, NJ
  • Average humidity in December: 76%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall in December
Manasquan, NJ

Average rainfall in December - Manasquan, NJ
  • Average rainfall in December: 3.7"

The wettest month (with the highest rainfall) is July (3.78").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in December
Manasquan, NJ

Average rainfall days in December - Manasquan, NJ
  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in December
Manasquan, NJ

Average snowfall in December - Manasquan, NJ
  • Average snowfall in December: 1.22"

The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Manasquan, NJ

Average snowfall days in December - Manasquan, NJ
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in December
Manasquan, NJ

Average sea temperature in December - Manasquan, NJ
  • Average sea temperature in December: 48.1°F

The best month for swimming (with the highest average sea temperature) is August (74.8°F).
The coldest month (with the lowest average sea temperature) is February (40.4°F).

Average daylight in December /
Average sunshine in December
Manasquan, NJ

Average daylight in December / Average sunshine in December - Manasquan, NJ
  • 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 24min).

  • Average sunshine in December: 5h and 1min

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 54min).

Average sunshine days in December
Manasquan, NJ

Average sunshine days in December - Manasquan, NJ
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Manasquan, NJ

Average UV index in December - Manasquan, NJ
  • 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, November and December (UV index 2).

Average cloud cover in December
Manasquan, NJ

Average cloud cover in December - Manasquan, NJ
  • Average cloud cover in December: 47

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Manasquan, NJ

Average visibility in December - Manasquan, NJ
  • 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).

Manasquan, New Jersey, USA

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