December weather forecast
Byram Cove, NJ

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Weather in December

December, the first month of the winter in Byram Cove, is also an icy month, with an average temperature ranging between max 39.2°F (4°C) and min 27.7°F (-2.4°C).

Temperature

The arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 48.6°F (9.2°C) to an icy 39.2°F (4°C). Nighttime temperatures in Byram Cove consistently average a subzero cold 27.7°F (-2.4°C) during December.

Humidity

February, October and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In December, in Byram Cove, the rain falls for 11 days. Throughout December, 3.54" (90mm) of precipitation is accumulated. Throughout the year, there are 160.1 rainfall days, and 35.87" (911mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Byram Cove, New Jersey, in December, during 6.7 snowfall days, 3.94" (100mm) of snow is typically accumulated. In Byram Cove, during the entire year, snow falls for 40.2 days and aggregates up to 23.62" (600mm) of snow.

Daylight

December has the shortest days of the year in Byram Cove, with an average of 9h and 18min of daylight.
On the first day of December in Byram Cove, sunrise is at 7:04 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:40 pm EST.

Sunshine

In December, the average sunshine is 4.6h.

UV index

December is the month with the lowest UV index in Byram Cove, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 1 in December transforms into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Stay sun-safe with clothing that is both closely woven and worn loosely. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold in Byram Cove?

In Byram Cove, 39.2°F (4°C) is the average high-temperature and 27.7°F (-2.4°C) is the average low-temperature during December. In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 89.6°F (32°C).

What is the most humid month in Byram Cove?

February, October and December, with an average relative humidity of 81%, are most humid months in Byram Cove, New Jersey.

What is the average humidity in December in Byram Cove?

The average relative humidity in December in Byram Cove is 81%.

How much does it rain in Byram Cove in December?

In Byram Cove, New Jersey, in December, it is raining for 11 days, with typically 3.54" (90mm) of accumulated precipitation.

How much does it snow in Byram Cove in December?

In Byram Cove, New Jersey, during December, snow falls for 6.7 days and regularly aggregates up to 3.94" (100mm) of snow.

What is the month with the shortest days in Byram Cove?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Byram Cove, New Jersey.

How many hours of daylight does Byram Cove have in December?

In December, the average day length is 9h and 17min.

When is the sunrise / sunset in December in Byram Cove?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:40 pm EST.

How many hours of sunshine does Byram Cove have in December?

The average sunshine duration in December is 4.6h.

What is the month with the lowest UV index in Byram Cove?

December is the month with the lowest UV index, with an average maximum UV index of 1.

What is the UV index reading in December in Byram Cove?

In Byram Cove, New Jersey, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Byram Cove, NJ

Average temperature in December - Byram Cove, NJ
  • Average high temperature in December: 39.2°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in December
Byram Cove, NJ

Average pressure in December - Byram Cove, 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
Byram Cove, NJ

Average wind speed in December - Byram Cove, NJ
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Byram Cove, NJ

Average humidity in December - Byram Cove, NJ
  • Average humidity in December: 81%

The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in December
Byram Cove, NJ

Average rainfall in December - Byram Cove, NJ
  • Average rainfall in December: 3.54"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Byram Cove, NJ

Average rainfall days in December - Byram Cove, NJ
  • Average rainfall days in December: 11 days

The months with the highest number of rainy days are May and July (17.4 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in December
Byram Cove, NJ

Average snowfall in December - Byram Cove, NJ
  • Average snowfall in December: 3.94"

The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Byram Cove, NJ

Average snowfall days in December - Byram Cove, NJ
  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Byram Cove, NJ

Average daylight in December / Average sunshine in December - Byram Cove, NJ
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in December
Byram Cove, NJ

Average sunshine days in December - Byram Cove, NJ
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (10.6 days).

Average UV index in December
Byram Cove, NJ

Average UV index in December - Byram Cove, NJ
  • Average UV index in December: 1

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Byram Cove, NJ

Average cloud cover in December - Byram Cove, NJ
  • Average cloud cover in December: 52

The months with the most cloud cover are February, March and December (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in December
Byram Cove, NJ

Average visibility in December - Byram Cove, NJ
  • Average visibility in December: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

Byram Cove, New Jersey, USA

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