December weather forecast
Brielle, NJ

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Weather in December

December, the first month of the winter in Brielle, is still a chilly month, with temperature in the range of an average high of 45°F (7.2°C) and an average low of 37°F (2.8°C).

Temperature

With the arrival of December, Brielle experiences a modest decline in average high-temperatures, transitioning from a cool 52.9°F (11.6°C) in November to a chilly 45°F (7.2°C). The nights of December anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 37°F (2.8°C).

Humidity

In Brielle, the average relative humidity in December is 76%.

Rainfall

In Brielle, 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 Brielle, during December, snow falls for 2.4 days and regularly aggregates up to 1.22" (31mm) of snow. Throughout the year, there are 14.1 snowfall days, and 4.76" (121mm) of snow is accumulated.

Daylight

The month with the shortest days in Brielle is December, 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 7:18 am and sunset at 4:40 pm EST.

Sunshine

In December, the average sunshine is 5.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

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

What is the average humidity in December?

In Brielle, the average relative humidity in December is 76%.

How many days does it rain in December?

In Brielle, in December, during 12.2 rainfall days, 3.7" (94mm) of precipitation is typically accumulated.

How much does it snow in December?

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

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Brielle have in December?

In December, the average day length is 9h and 23min.

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 7:18 am and sunset at 4:40 pm EST.

How long on average sun shines in December?

The average sunshine duration in December in Brielle is 5.1h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

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

Average temperature in December - Brielle, 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
Brielle, NJ

Average pressure in December - Brielle, 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
Brielle, NJ

Average wind speed in December - Brielle, 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
Brielle, NJ

Average humidity in December - Brielle, 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
Brielle, NJ

Average rainfall in December - Brielle, 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
Brielle, NJ

Average rainfall days in December - Brielle, 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
Brielle, NJ

Average snowfall in December - Brielle, 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
Brielle, NJ

Average snowfall days in December - Brielle, 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 daylight in December /
Average sunshine in December
Brielle, NJ

Average daylight in December / Average sunshine in December - Brielle, 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
Brielle, NJ

Average sunshine days in December - Brielle, 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
Brielle, NJ

Average UV index in December - Brielle, 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
Brielle, NJ

Average cloud cover in December - Brielle, 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
Brielle, NJ

Average visibility in December - Brielle, 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).

Brielle, New Jersey, USA

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