December weather forecastRed Bank, NJ

December

Weather in December

December, the first month of the winter in Red Bank, is also a frosty month, with an average temperature varying between 36°F (2.2°C) and 44.2°F (6.8°C).

Temperature

The start of December comes with a small reduction in the average high-temperature, subtly receding from a cool 52.3°F (11.3°C) in November to a chilly 44.2°F (6.8°C). The nights of December in Red Bank cool down to an average low of 36°F (2.2°C), subtly lower than daytime highs.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Red Bank, in December, it is raining for 9.2 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Red Bank, there are 125.1 rainfall days, and 12.64" (321mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, October and December. December is the month with the most snowfall in Red Bank, New Jersey. Snow falls for 3.3 days and accumulates 0.47" (12mm) of snow.

Ocean temperature

In December, the average ocean temperature in Red Bank is 48°F (8.9°C).
Note: 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.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:30 pm. On the last day of December, in Red Bank, sunrise is at 7:18 am and sunset at 4:40 pm EST.

Sunshine

In December, the average sunshine in Red Bank 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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, the average high-temperature and low-temperature in Red Bank, New Jersey, are 44.2°F (6.8°C) and 36°F (2.2°C) respectively.

In Red Bank, New Jersey, the average relative humidity in December is 75%.

In Red Bank, New Jersey, during December, the rain falls for 9.2 days and regularly aggregates up to 1.18" (30mm) of precipitation.

The month with the most snowfall is December, when snow falls for 3.3 days and typically aggregates up to 0.47" (12mm) of snow.

December is the first month it typically snows in Red Bank, New Jersey. Throughout December, in the average 3.3 snowfall days, it receives 0.47" (12mm) of snow.

In Red Bank, the average seawater temperature in December is 48°F (8.9°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

With an average of 9h and 24min of daylight, December has the shortest days of the year in Red Bank, New Jersey.

The average day length in December in Red Bank is 9h and 21min.

On the first day of December in Red Bank, New Jersey, sunrise is at 7:00 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.

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

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

The average daily maximum UV index in December in Red Bank is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

52.3°F

44.2°F

37.9°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.3mph

12.5mph

13.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.3

3.3

3.9

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

21.6

19.1

21.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Red Bank, NJ

Average high temperature in December: 44.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (37.9°F).

Average low temperature in December: 36°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in December
Red Bank, 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
Red Bank, NJ

Average wind speed in December: 11.7mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

Average humidity in December
Red Bank, NJ

Average humidity in December: 75%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in December
Red Bank, NJ

Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in December
Red Bank, NJ

Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in December
Red Bank, NJ

Average snowfall in December: 0.47"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").

Average snowfall days in December
Red Bank, NJ

Average snowfall days in December: 3.3 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average sea temperature in December
Red Bank, 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
Red Bank, NJ

Average daylight in December: 9h and 24min

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 6min

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
Red Bank, NJ

Average sunshine days in December: 19.1 days

The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (13 days).

Average UV index in December
Red Bank, 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
Red Bank, NJ

Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in December
Red Bank, 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).