December weather forecast and climate
Red Bank, NJ

Weather in December

The first month of the winter, December, is also a frosty month in Red Bank, New Jersey, with average temperature ranging between min 36°F (2.2°C) and max 44.2°F (6.8°C).

Temperature

In December, the average high-temperature marginally drops, from a fresh 52.3°F (11.3°C) in November, to a chilly 44.2°F (6.8°C). In December, in Red Bank, the average low-temperature is 36°F (2.2°C).

Humidity

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

Rainfall

In December, the rain falls for 9.2 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Red Bank, during the entire year, the rain falls for 125.1 days and collects up to 12.64" (321mm) of precipitation.

Snowfall

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

Ocean temperature

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

Daylight

December has the shortest days of the year in Red Bank, with an average of 9.3h of daylight.

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 in Red Bank. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Red Bank?

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

How many days does it rain in December in Red Bank?

In Red Bank, New Jersey, in December, during 9.2 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When does it snow the most in Red Bank?

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

When does it start to snow in Red Bank?

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

What is the ocean temperature in December in Red Bank?

In Red Bank, in December, the average water temperature is 48°F (8.9°C). Swimming in 48°F (8.9°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days in Red Bank?

December has the shortest days of the year in Red Bank, with an average of 9.3h of daylight.

How many hours of daylight does Red Bank have in December?

The average length of the day in December in Red Bank is 9.3h.

How many hours of sunshine does Red Bank have in December?

The average sunshine in December in Red Bank, New Jersey, is 5.1h.

When is the lowest UV index in Red Bank?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Red Bank, New Jersey.

How high is the UV index in December in Red Bank?

The average daily maximum UV index in December in Red Bank, New Jersey, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.

Average temperature in December
Red Bank, NJ

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).

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Average pressure in December
Red Bank, NJ

Average pressure in December - Red Bank, NJ
  • Average pressure in December: 30.08"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in December
Red Bank, NJ

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).

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Average humidity in December
Red Bank, NJ

Average humidity in December - Red Bank, NJ
  • Average humidity in December: 75%

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

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Average rainfall in December
Red Bank, NJ

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").

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Average rainfall days in December
Red Bank, NJ

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).

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Average snowfall in December
Red Bank, NJ

Average snowfall in December - Red Bank, NJ
  • Average snowfall in December: 0.47"

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

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Average snowfall days in December
Red Bank, NJ

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).
Months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average sea temperature in December
Red Bank, NJ

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).

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Average daylight in December /
Average sunshine in December
Red Bank, NJ

Average daylight in December / Average sunshine in December - Red Bank, NJ
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 5.1h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in December
Red Bank, NJ

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).

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Average UV index in December
Red Bank, NJ

Average UV index in December - Red Bank, NJ
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Red Bank, NJ

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).
Months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in December
Red Bank, NJ

Average visibility in December - Red Bank, NJ
  • Average visibility in December: 6mi

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

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