December weather forecast
Crosswicks, NJ

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Weather in December

December, the first month of the winter in Crosswicks, is also a frosty month, with an average temperature fluctuating between 43.7°F (6.5°C) and 32.5°F (0.3°C).

Temperature

A decrease in the average high-temperature is observed during December, shifting from a fresh 52.7°F (11.5°C) in November to a chilly 43.7°F (6.5°C). The low-temperature averages to a cold 32.5°F (0.3°C) during the nights of December.

Humidity

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

Rainfall

In December, the rain falls for 9.8 days. Throughout December, 3.03" (77mm) of precipitation is accumulated. Throughout the year, in Crosswicks, there are 153.8 rainfall days, and 30.94" (786mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In Crosswicks, in December, during 2.7 snowfall days, 1.18" (30mm) of snow is typically accumulated. In Crosswicks, during the entire year, snow falls for 16.8 days and aggregates up to 8.5" (216mm) of snow.

Daylight

The month with the shortest days in Crosswicks is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:02 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:43 pm EST.

Sunshine

In December, the average sunshine is 5h.

UV index

The months with the lowest UV index in Crosswicks 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 rays for ordinary individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

Is December cold in Crosswicks?

The high-temperature during December is 43.7°F (6.5°C) and the low-temperature is 32.5°F (0.3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 91.4°F (33°C).

What is the average humidity in December in Crosswicks?

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

How much does it rain in Crosswicks in December?

In Crosswicks, in December, during 9.8 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

How many days does it snow in December in Crosswicks?

In December, in Crosswicks, New Jersey, it is snowing for 2.7 days. Throughout December, 1.18" (30mm) of snow is accumulated.

What is the month with the shortest days in Crosswicks?

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

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

In Crosswicks, New Jersey, the average day length in December is 9h and 22min.

When is the sunrise / sunset in December in Crosswicks?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:33 pm. On the last day of the month, in Crosswicks, sunrise is at 7:20 am and sunset at 4:43 pm EST.

How long on average sun shines in December in Crosswicks?

In Crosswicks, New Jersey, the average sunshine duration in December is 5h.

When is the lowest UV index in Crosswicks?

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

What is the UV index intensity in December in Crosswicks?

In Crosswicks, New Jersey, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Crosswicks, NJ

Average temperature in December - Crosswicks, NJ
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 32.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in December
Crosswicks, NJ

Average pressure in December - Crosswicks, 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 (29.93"Hg).

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Average wind speed in December
Crosswicks, NJ

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

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 (5.6mph).

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Average humidity in December
Crosswicks, NJ

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

The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).

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Average rainfall in December
Crosswicks, NJ

Average rainfall in December - Crosswicks, NJ
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

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Average rainfall days in December
Crosswicks, NJ

Average rainfall days in December - Crosswicks, NJ
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in December
Crosswicks, NJ

Average snowfall in December - Crosswicks, NJ
  • Average snowfall in December: 1.18"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Crosswicks, NJ

Average snowfall days in December - Crosswicks, NJ
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (5.2 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
Crosswicks, NJ

Average daylight in December / Average sunshine in December - Crosswicks, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Crosswicks, NJ

Average sunshine days in December - Crosswicks, NJ
  • Average sunshine days in December: 19 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).

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Average UV index in December
Crosswicks, NJ

Average UV index in December - Crosswicks, 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).

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Average cloud cover in December
Crosswicks, NJ

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

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

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Average visibility in December
Crosswicks, NJ

Average visibility in December - Crosswicks, 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).

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Crosswicks, New Jersey, USA

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