December weather forecast
South Seaside Park, NJ

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Weather in December

The first month of the winter, December, is still a chilly month in South Seaside Park, New Jersey, with an average temperature ranging between max 45.1°F (7.3°C) and min 37.8°F (3.2°C).

Temperature

The average high-temperature slightly decreases in December, shifting from a fresh 53.2°F (11.8°C) in November to a frosty 45.1°F (7.3°C). In South Seaside Park, a slight decrease from the daytime peak is noted during the month of December, with an average low-temperature of 37.8°F (3.2°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

The month with the most rainfall is December, when the rain falls for 11.8 days and typically aggregates up to 3.7" (94mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in South Seaside Park. In South Seaside Park, in December, during 1.9 snowfall days, 1.1" (28mm) of snow is typically accumulated. In South Seaside Park, New Jersey, during the entire year, snow falls for 13.1 days and aggregates up to 4.65" (118mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 6:59 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:41 pm EST.

Sunshine

The average sunshine in December is 5.1h.

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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the UV index of 2 transforms into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

An average high-temperature, in December, in South Seaside Park, is 45.1°F (7.3°C) and the average low-temperature is 37.8°F (3.2°C).

What is the average humidity in December?

The average relative humidity in December is 76%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 11.8 days and typically aggregates up to 3.7" (94mm) of precipitation.

How much does it rain in December?

In South Seaside Park, in December, it is raining for 11.8 days, with typically 3.7" (94mm) of accumulated precipitation.

How much does it snow in December?

In South Seaside Park, during December, snow falls for 1.9 days and regularly aggregates up to 1.1" (28mm) of snow.

What is the month with the shortest days?

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 24min.

What time are sunrise and 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 7:17 am and sunset at 4:41 pm EST.

How many hours of sunshine does South Seaside Park have in December?

In South Seaside Park, the average sunshine duration in December is 5.1h.

What are the months 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 intensity in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
South Seaside Park, NJ

Average temperature in December - South Seaside Park, NJ
  • Average high temperature in December: 45.1°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 37.8°F

The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in December
South Seaside Park, NJ

Average pressure in December - South Seaside Park, 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
South Seaside Park, NJ

Average wind speed in December - South Seaside Park, NJ
  • Average wind speed in December: 12.9mph

The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).

Average humidity in December
South Seaside Park, NJ

Average humidity in December - South Seaside Park, NJ
  • Average humidity in December: 76%

The months with the highest relative humidity are May and June (81%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall in December
South Seaside Park, NJ

Average rainfall in December - South Seaside Park, NJ
  • Average rainfall in December: 3.7"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in December
South Seaside Park, NJ

Average rainfall days in December - South Seaside Park, NJ
  • Average rainfall days in December: 11.8 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 days).

Average snowfall in December
South Seaside Park, NJ

Average snowfall in December - South Seaside Park, NJ
  • Average snowfall in December: 1.1"

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
South Seaside Park, NJ

Average snowfall days in December - South Seaside Park, NJ
  • Average snowfall days in December: 1.9 days

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

Average daylight in December /
Average sunshine in December
South Seaside Park, NJ

Average daylight in December / Average sunshine in December - South Seaside Park, 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
South Seaside Park, NJ

Average sunshine days in December - South Seaside Park, NJ
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in December
South Seaside Park, NJ

Average UV index in December - South Seaside Park, 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, March and December (UV index 2).

Average cloud cover in December
South Seaside Park, NJ

Average cloud cover in December - South Seaside Park, NJ
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in December
South Seaside Park, NJ

Average visibility in December - South Seaside Park, 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).

South Seaside Park, New Jersey, USA

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