December weather forecast
Moorestown, NJ

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Weather in December

The first month of the winter, December, is still a chilly month in Moorestown, New Jersey, with an average temperature ranging between max 44.2°F (6.8°C) and min 32.9°F (0.5°C).

Temperature

December implies a gentle temperature shift, with average high-temperatures reducing from November's fresh 53.2°F (11.8°C) to a frosty 44.2°F (6.8°C). Moorestown records a steady low-temperature average of 32.9°F (0.5°C) during December.

Humidity

In Moorestown, the average relative humidity in December is 76%.

Rainfall

In Moorestown, in December, during 7.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Moorestown, New Jersey, during the entire year, the rain falls for 121.5 days and collects up to 12.44" (316mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Moorestown, New Jersey, during December, snow falls for 1.5 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, in Moorestown, there are 10.3 snowfall days, and 2.36" (60mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December in Moorestown, sunrise is at 7:02 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:44 pm EST.

Sunshine

In December, the average sunshine in Moorestown is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Moorestown. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following 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 UV radiation is especially harmful around midday, so reduce exposure and stay safe. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

How cold is December in Moorestown?

In December, in Moorestown, the average high-temperature is 44.2°F (6.8°C), and the average low-temperature is 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 91.4°F (33°C).

What is the average humidity in December in Moorestown?

In December, the average relative humidity is 76%.

How much does it rain in Moorestown in December?

In Moorestown, New Jersey, during December, the rain falls for 7.4 days and regularly aggregates up to 1.1" (28mm) of precipitation.

How much does it snow in Moorestown in December?

In Moorestown, New Jersey, during December, snow falls for 1.5 days and regularly aggregates up to 0.16" (4mm) of snow.

What is the month with the shortest days in Moorestown?

The month with the shortest days in Moorestown is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Moorestown?

The average day length in December in Moorestown, New Jersey, is 9h and 23min.

When is the sunrise / sunset in December in Moorestown?

On the first day of December in Moorestown, sunrise is at 7:02 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:44 pm EST.

How many hours of sunshine does Moorestown have in December?

In December, the average sunshine duration in Moorestown is 5h.

When is the lowest UV index in Moorestown?

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

How high is the UV index in December in Moorestown?

In Moorestown, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
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
Moorestown, NJ

Average temperature in December - Moorestown, NJ
  • Average high temperature in December: 44.2°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in December
Moorestown, NJ

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Moorestown, NJ

Average wind speed in December - Moorestown, NJ
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in December
Moorestown, NJ

Average humidity in December - Moorestown, NJ
  • Average humidity in December: 76%

The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in December
Moorestown, NJ

Average rainfall in December - Moorestown, NJ
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in December
Moorestown, NJ

Average rainfall days in December - Moorestown, NJ
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall in December
Moorestown, NJ

Average snowfall in December - Moorestown, NJ
  • Average snowfall in December: 0.16"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Moorestown, NJ

Average snowfall days in December - Moorestown, NJ
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Moorestown, NJ

Average daylight in December / Average sunshine in December - Moorestown, 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 24min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Moorestown, NJ

Average sunshine days in December - Moorestown, NJ
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (14 days).

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Average UV index in December
Moorestown, NJ

Average UV index in December - Moorestown, 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, November and December (UV index 2).

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Average cloud cover in December
Moorestown, NJ

Average cloud cover in December - Moorestown, NJ
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in December
Moorestown, NJ

Average visibility in December - Moorestown, 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).

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Moorestown, New Jersey, USA

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