December weather forecast
Sandy Ridge, NJ

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Weather in December

December, the first month of the winter in Sandy Ridge, is still a cold month, with an average temperature ranging between min 30.7°F (-0.7°C) and max 42.4°F (5.8°C).

Temperature

The onset of December is marked by a decrease in temperature, transitioning from a fresh 51.4°F (10.8°C) in November to an icy 42.4°F (5.8°C). Throughout the month of December, Sandy Ridge expects an average low of 30.7°F (-0.7°C).

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Sandy Ridge, in December, during 11.3 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In Sandy Ridge, during the entire year, the rain falls for 158.5 days and collects up to 28.31" (719mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Sandy Ridge, in December, snow falls for 3.7 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, there are 23 snowfall days, and 9.45" (240mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:04 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:43 pm EST.

Sunshine

In Sandy Ridge, New Jersey, the average sunshine in December is 4.9h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Sandy Ridge?

The high-temperature, in December, in Sandy Ridge, is 42.4°F (5.8°C), while the low-temperature averages to 30.7°F (-0.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 78%.

How much does it rain in December?

In December, in Sandy Ridge, the rain falls for 11.3 days. Throughout December, 2.87" (73mm) of precipitation is accumulated.

How much does it snow in December?

In Sandy Ridge, in December, snow falls for 3.7 days, with typically accumulated 1.42" (36mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Sandy Ridge have in December?

In Sandy Ridge, the average day length in December is 9h and 20min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:04 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:43 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.9h.

When is the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Sandy Ridge, NJ

Average temperature in December - Sandy Ridge, NJ
  • Average high temperature in December: 42.4°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in December
Sandy Ridge, NJ

Average pressure in December - Sandy Ridge, NJ
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Sandy Ridge, NJ

Average wind speed in December - Sandy Ridge, NJ
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Sandy Ridge, NJ

Average humidity in December - Sandy Ridge, NJ
  • Average humidity in December: 78%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in December
Sandy Ridge, NJ

Average rainfall in December - Sandy Ridge, NJ
  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in December
Sandy Ridge, NJ

Average rainfall days in December - Sandy Ridge, NJ
  • Average rainfall days in December: 11.3 days

The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in December
Sandy Ridge, NJ

Average snowfall in December - Sandy Ridge, NJ
  • Average snowfall in December: 1.42"

The month with the highest snowfall is March (2.91").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Sandy Ridge, NJ

Average snowfall days in December - Sandy Ridge, NJ
  • Average snowfall days in December: 3.7 days

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Sandy Ridge, NJ

Average daylight in December / Average sunshine in December - Sandy Ridge, 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 18min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Sandy Ridge, NJ

Average sunshine days in December - Sandy Ridge, NJ
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (11.7 days).

Average UV index in December
Sandy Ridge, NJ

Average UV index in December - Sandy Ridge, NJ
  • Average UV index in December: 2

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

Average cloud cover in December
Sandy Ridge, NJ

Average cloud cover in December - Sandy Ridge, NJ
  • Average cloud cover in December: 48

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Sandy Ridge, NJ

Average visibility in December - Sandy Ridge, NJ
  • Average visibility in December: 6mi

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

Sandy Ridge, New Jersey, USA

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