December weather forecast and climate
Dover Beaches North, NJ

The first month of the winter, December, is also a frosty month in Dover Beaches North, New Jersey, with average temperature fluctuating between 45.1°F (7.3°C) and 37.8°F (3.2°C).

Temperature

In December, the average high-temperature marginally drops, from a cool 53.2°F (11.8°C) in November, to a chilly 45.1°F (7.3°C). The average low-temperature, is 37.8°F (3.2°C).

Humidity

In December, the average relative humidity in Dover Beaches North is 76%.

Rainfall

The month with the most rainfall is December when the rain falls for 11.8 days and typically aggregates up to 3.7" (94mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Dover Beaches North, New Jersey, during 1.9 snowfall days, 1.1" (28mm) of snow is typically accumulated. Throughout the year, in Dover Beaches North, there are 13.1 snowfall days, and 4.65" (118mm) of snow is accumulated.

Ocean temperature

In Dover Beaches North, the average seawater temperature is 48.6°F (9.2°C).
Note: Swimming in 48.6°F (9.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year.

Sunshine

In Dover Beaches North, the average sunshine in December is 5.1h.

UV index

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Dover Beaches North?

In Dover Beaches North, New Jersey, in December, the average high-temperature is 45.1°F (7.3°C), and the average low-temperature is 37.8°F (3.2°C).

What is the average humidity in December in Dover Beaches North?

In Dover Beaches North, New Jersey, the average relative humidity in December is 76%.

How much does it rain in Dover Beaches North in December?

In Dover Beaches North, New Jersey, in December, it is raining for 11.8 days, with typically 3.7" (94mm) of accumulated precipitation.

What is the rainiest month in Dover Beaches North?

December is the month with the most rainfall in Dover Beaches North. Rain falls for 11.8 days and accumulates 3.7" (94mm) of precipitation.

How much does it snow in Dover Beaches North in December?

In Dover Beaches North, New Jersey, in December, snow falls for 1.9 days, with typically accumulated 1.1" (28mm) of snow.

How cold is the water in December in Dover Beaches North?

In December, the average ocean temperature in Dover Beaches North, New Jersey, is 48.6°F (9.2°C). Swimming in 48.6°F (9.2°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 Dover Beaches North?

With an average of 9.4h of daylight, December has the shortest days of the year in Dover Beaches North.

How many hours of daylight does Dover Beaches North have in December?

In December, the average length of the day is 9.4h.

How long on average sun shines in December in Dover Beaches North?

In Dover Beaches North, the average sunshine in December is 5.1h.

What are the months with the lowest UV index in Dover Beaches North?

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Dover Beaches North, New Jersey.

How high is the UV index in December in Dover Beaches North?

In Dover Beaches North, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Dover Beaches North, NJ
  • Average high temperature in December: 7.3°C

The warmest month (with the highest average high temperature) is July (26.2°C).
The month with the lowest average high temperature is January (3.9°C).

  • Average low temperature in December: 3.2°C

The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is January (-1°C).

Average pressure in December - Dover Beaches North, NJ
  • Average pressure in December: 1018.5mbar

The month with the highest atmospheric pressure is November (1019.5mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in December - Dover Beaches North, NJ
  • Average wind speed in December: 20.7km/h

The windiest month (with the highest average wind speed) is January (21.8km/h).
The calmest month (with the lowest average wind speed) is July (14.2km/h).

Average humidity in December - Dover Beaches North, NJ
  • Average humidity in December: 76%

Months with the highest relative humidity are May and June (81%).
Months with the lowest relative humidity are January and November (74%).

Average rainfall in December - Dover Beaches North, NJ
  • Average rainfall in December: 94mm

The wettest month (with the highest rainfall) is December (94mm).
The driest month (with the least rainfall) is January (51mm).

Average rainfall days in December - Dover Beaches North, NJ
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9 days).

Average snowfall in December - Dover Beaches North, NJ
  • Average snowfall in December: 28mm

The month with the highest snowfall is January (34mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December - Dover Beaches North, NJ
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is January (4.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in December - Dover Beaches North, NJ
  • Average sea temperature in December: 9.2°C

The best month for swimming (with the highest average sea temperature) is August (24.3°C).
The coldest month (with the lowest average sea temperature) is February (4.9°C).

Average daylight in December / Average sunshine in December - Dover Beaches North, NJ
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • 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).

Average sunshine days in December - Dover Beaches North, NJ
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in December - Dover Beaches North, 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, March and December (UV index 2).

Average cloud cover in December - Dover Beaches North, NJ
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
Months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in December - Dover Beaches North, NJ
  • Average visibility in December: 9km

Months with the highest visibility are April, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March, May and December (9km).