December weather forecast
Neptune City, NJ

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Weather in December

The first month of the winter, December, is still a chilly month in Neptune City, New Jersey, with an average temperature ranging between min 35.8°F (2.1°C) and max 44.2°F (6.8°C).

Temperature

The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a cool 52.5°F (11.4°C) in November to a frosty 44.2°F (6.8°C). In December, Neptune City temperatures settle at a low of 35.8°F (2.1°C) during the nights, reflecting a minor change from daytime highs.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Neptune City, in December, during 12.3 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 161.4 rainfall days, and 32.64" (829mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Neptune City. The months with the most snowfall are January, March and December, with an average 1.1" (28mm) of accumulated snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:59 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:40 pm EST.

Sunshine

The average sunshine in December in Neptune City is 5.1h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in Neptune City during December?

December temperatures in Neptune City, New Jersey, vary between a high-temperature of 44.2°F (6.8°C) and a low-temperature of 35.8°F (2.1°C).

What is the average humidity in December in Neptune City?

The average relative humidity in December in Neptune City is 76%.

How many days does it rain in December in Neptune City?

In Neptune City, New Jersey, in December, it is raining for 12.3 days, with typically 3.43" (87mm) of accumulated precipitation.

What is the snowiest month in Neptune City?

The months with the most snowfall are January, March and December, with an average 1.1" (28mm) of accumulated snow.

How many days does it snow in December in Neptune City?

In Neptune City, New Jersey, in December, snow falls for 3.1 days, with typically accumulated 1.1" (28mm) of snow.

What is the month with the shortest days in Neptune City?

The month with the shortest days in Neptune City, New Jersey, is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Neptune City have in December?

In Neptune City, New Jersey, the average day length in December is 9h and 22min.

When are sunrise and sunset in December in Neptune City?

On the first day of December in Neptune City, sunrise is at 6:59 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:40 pm EST.

How many hours of sunshine does Neptune City have in December?

In December, the average sunshine duration is 5.1h.

When is the lowest UV index in Neptune City?

January through March, November 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 Neptune City?

In Neptune City, New Jersey, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Neptune City, NJ

Average temperature in December - Neptune City, NJ
  • Average high temperature in December: 44.2°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in December: 35.8°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

Average pressure in December
Neptune City, NJ

Average pressure in December - Neptune City, 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
Neptune City, NJ

Average wind speed in December - Neptune City, NJ
  • Average wind speed in December: 11.3mph

The windiest month (with the highest average wind speed) is January (12mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

Average humidity in December
Neptune City, NJ

Average humidity in December - Neptune City, NJ
  • Average humidity in December: 76%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March and November (74%).

Average rainfall in December
Neptune City, NJ

Average rainfall in December - Neptune City, NJ
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is January (1.93").

Average rainfall days in December
Neptune City, NJ

Average rainfall days in December - Neptune City, NJ
  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in December
Neptune City, NJ

Average snowfall in December - Neptune City, NJ
  • Average snowfall in December: 1.1"

The months with the highest snowfall are January, March and December (1.1").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Neptune City, NJ

Average snowfall days in December - Neptune City, NJ
  • Average snowfall days in December: 3.1 days

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

Average daylight in December /
Average sunshine in December
Neptune City, NJ

Average daylight in December / Average sunshine in December - Neptune City, 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
Neptune City, NJ

Average sunshine days in December - Neptune City, NJ
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in December
Neptune City, NJ

Average UV index in December - Neptune City, 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, November and December (UV index 2).

Average cloud cover in December
Neptune City, NJ

Average cloud cover in December - Neptune City, NJ
  • Average cloud cover in December: 46

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

Average visibility in December
Neptune City, NJ

Average visibility in December - Neptune City, 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).

Neptune City, New Jersey, USA

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