December weather forecast
West Creek, NJ

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Weather in December

December, the first month of the winter in West Creek, is still a chilly month, with an average temperature ranging between max 45.9°F (7.7°C) and min 37°F (2.8°C).

Temperature

As November makes way for December, West Creek's average high-temperature eases from a fresh 53.6°F (12°C) to a frosty 45.9°F (7.7°C). West Creek sustains an average of approximately a cold 37°F (2.8°C) during December nights, with little variation from daytime highs.

Humidity

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

Rainfall

In December, the rain falls for 8.1 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 113.3 rainfall days, and 11.06" (281mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In West Creek, in December, snow falls for 1.6 days, with typically accumulated 0.39" (10mm) of snow. In West Creek, during the entire year, snow falls for 10.7 days and aggregates up to 2.24" (57mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:43 pm EST.

Sunshine

In West Creek, the average sunshine in December is 5.2h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

What are the temperatures in December?

In West Creek, 45.9°F (7.7°C) is the average high-temperature and 37°F (2.8°C) is the average low-temperature during December. In July, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 76%.

How much does it rain in December?

In December, the rain falls for 8.1 days. Throughout December, 1.14" (29mm) of precipitation is accumulated.

How many days does it snow in December?

In West Creek, New Jersey, in December, snow falls for 1.6 days, with typically accumulated 0.39" (10mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

How many hours of daylight does West Creek have in December?

In December, the average day length is 9h and 25min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:43 pm EST.

How many hours of sunshine does West Creek have in December?

In West Creek, the average sunshine duration in December is 5.2h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index in West Creek is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
West Creek, NJ

Average temperature in December - West Creek, NJ
  • Average high temperature in December: 45.9°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 37°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in December
West Creek, NJ

Average pressure in December - West Creek, NJ
  • Average pressure in December: 30.08"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
West Creek, NJ

Average wind speed in December - West Creek, NJ
  • Average wind speed in December: 11.1mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).

Average humidity in December
West Creek, NJ

Average humidity in December - West Creek, NJ
  • Average humidity in December: 76%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall in December
West Creek, NJ

Average rainfall in December - West Creek, NJ
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is July (1.18").
The driest months (with the least rainfall) are January and September (0.67").

Average rainfall days in December
West Creek, NJ

Average rainfall days in December - West Creek, NJ
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is November (6.5 days).

Average snowfall in December
West Creek, NJ

Average snowfall in December - West Creek, NJ
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
West Creek, NJ

Average snowfall days in December - West Creek, NJ
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
West Creek, NJ

Average daylight in December / Average sunshine in December - West Creek, NJ
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in December
West Creek, NJ

Average sunshine days in December - West Creek, NJ
  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (15.6 days).

Average UV index in December
West Creek, NJ

Average UV index in December - West Creek, NJ
  • Average UV index in December: 2

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

Average cloud cover in December
West Creek, NJ

Average cloud cover in December - West Creek, NJ
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in December
West Creek, NJ

Average visibility in December - West Creek, 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).

West Creek, New Jersey, USA

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