December weather forecast
Newfield, NJ

Weather in December

The first month of the winter, December, is also a frosty month in Newfield, New Jersey, with average temperature fluctuating between 45.3°F (7.4°C) and 34.2°F (1.2°C).

Temperature

In December, the average high-temperature slightly decreases, from a fresh 53.8°F (12.1°C) in November, to a frosty 45.3°F (7.4°C). In December, in Newfield, the average low-temperature is 34.2°F (1.2°C).

Humidity

In December, the average relative humidity in Newfield is 77%.

Rainfall

In December, the rain falls for 9.2 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 119.7 rainfall days, and 15" (381mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Newfield. In Newfield, during 2.3 snowfall days, 0.51" (13mm) of snow is typically accumulated. Throughout the year, in Newfield, there are 13.6 snowfall days, and 4.29" (109mm) of snow is accumulated.

Daylight

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

Sunshine

In December, the average sunshine is 5h.

UV index

Months with the lowest UV index in Newfield are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
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.
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FAQ

What is the average humidity in December in Newfield?

In December, the average relative humidity is 77%.

How many days does it rain in December in Newfield?

In Newfield, New Jersey, in December, during 9.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How many days does it snow in December in Newfield?

In Newfield, during December, snow falls for 2.3 days and regularly aggregates up to 0.51" (13mm) of snow.

What is the month with the shortest days in Newfield?

December has the shortest days of the year in Newfield, with an average of 9.4h of daylight.

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

The average length of the day in December in Newfield is 9.4h.

How many hours of sunshine does Newfield have in December?

The average sunshine in December in Newfield is 5h.

What are the months with the lowest UV index in Newfield?

January, February, November 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 Newfield?

The average daily maximum UV index in December in Newfield, New Jersey, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in December
Newfield, NJ

Average temperature in December - Newfield, NJ
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in December
Newfield, NJ

Average pressure in December - Newfield, NJ
  • Average pressure in December: 30.09"

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

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Average wind speed in December
Newfield, NJ

Average wind speed in December - Newfield, NJ
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in December
Newfield, NJ

Average humidity in December - Newfield, NJ
  • Average humidity in December: 77%

Months with the highest relative humidity are June, September and October (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in December
Newfield, NJ

Average rainfall in December - Newfield, NJ
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in December
Newfield, NJ

Average rainfall days in December - Newfield, NJ
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Newfield, NJ

Average snowfall in December - Newfield, NJ
  • Average snowfall in December: 0.51"

The month with the highest snowfall is January (1.38").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Newfield, NJ

Average snowfall days in December - Newfield, NJ
  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is January (4.5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Newfield, NJ
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 5h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in December
Newfield, NJ

Average sunshine days in December - Newfield, NJ
  • Average sunshine days in December: 20 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.8 days).

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Average UV index in December
Newfield, NJ

Average UV index in December - Newfield, NJ
  • Average UV index in December: 2

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

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Average cloud cover in December
Newfield, NJ

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

Months with the most cloud cover are February and March (Cloud cover 48).
Months with the least cloud cover are July and August (Cloud cover 31).

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Average visibility in December
Newfield, NJ

Average visibility in December - Newfield, NJ
  • Average visibility in December: 6mi

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

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