December weather forecast and climate
Prospect Park, NJ

Weather in December

December, the first month of the winter, in Prospect Park, is also a wintry month, with average temperature fluctuating between 30.9°F (-0.6°C) and 41.2°F (5.1°C).

Temperature

In Prospect Park, New Jersey, the average high-temperature decreases, from a cool 50.9°F (10.5°C) in November, to a wintry 41.2°F (5.1°C). In Prospect Park, the average low-temperature is 30.9°F (-0.6°C).

Humidity

February and December, with an average relative humidity of 78%, are most humid months.

Rainfall

Months with the most rainfall are July and December, with an average 3.07" (78mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Prospect Park, in December, during 4 snowfall days, 1.54" (39mm) of snow is typically accumulated. In Prospect Park, during the entire year, snow falls for 24.9 days, and aggregates up to 10.04" (255mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9.3h of daylight.

Sunshine

In Prospect Park, the average sunshine is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Prospect Park. A UV Index value of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Prospect Park?

The average high-temperature, in December, is 41.2°F (5.1°C), while the average low-temperature is 30.9°F (-0.6°C).

What are the most humid months in Prospect Park?

February and December, with an average relative humidity of 78%, are most humid months in Prospect Park, New Jersey.

What is the average humidity in December in Prospect Park?

The average relative humidity in December in Prospect Park is 78%.

How many days does it rain in December in Prospect Park?

In Prospect Park, New Jersey, during December, the rain falls for 11.2 days and regularly aggregates up to 3.07" (78mm) of precipitation.

What is the wettest month in Prospect Park?

The wettest months are July and December, with an average 3.07" (78mm) of rainfall.

How many days does it snow in December in Prospect Park?

In December, in Prospect Park, it is snowing for 4 days. Throughout December, 1.54" (39mm) of snow is accumulated.

What is the month with the shortest days in Prospect Park?

The month with the shortest days is December, with an average of 9.3h of daylight.

How many hours of daylight does Prospect Park have in December?

The average length of the day in December in Prospect Park, New Jersey, is 9.3h.

How long on average sun shines in December in Prospect Park?

In December, the average sunshine in Prospect Park is 4.8h.

What is the month with the lowest UV index in Prospect Park?

Months with the lowest UV index in Prospect Park are January through March, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Prospect Park?

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

Average temperature in December
Prospect Park, NJ

Average temperature in December - Prospect Park, NJ
  • Average high temperature in December: 41.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 30.9°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 (23.4°F).

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Average pressure in December
Prospect Park, NJ

Average pressure in December - Prospect Park, NJ
  • Average pressure in December: 30.07"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in December
Prospect Park, NJ

Average wind speed in December - Prospect Park, NJ
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in December
Prospect Park, NJ

Average humidity in December - Prospect Park, NJ
  • Average humidity in December: 78%

Months with the highest relative humidity are February and December (78%).
Months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in December
Prospect Park, NJ

Average rainfall in December - Prospect Park, NJ
  • Average rainfall in December: 3.07"

The wettest months (with the highest rainfall) are July and December (3.07").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in December
Prospect Park, NJ

Average rainfall days in December - Prospect Park, NJ
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in December
Prospect Park, NJ

Average snowfall in December - Prospect Park, NJ
  • Average snowfall in December: 1.54"

The month with the highest snowfall is February (3.23").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Prospect Park, NJ

Average snowfall days in December - Prospect Park, NJ
  • Average snowfall days in December: 4 days

The month with the highest number of snowfall days is February (7.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Prospect Park, NJ

Average daylight in December / Average sunshine in December - Prospect Park, NJ
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 4.8h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in December
Prospect Park, NJ

Average sunshine days in December - Prospect Park, NJ
  • Average sunshine days in December: 15.7 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in December
Prospect Park, NJ

Average UV index in December - Prospect Park, NJ
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 6).
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
Prospect Park, NJ

Average cloud cover in December - Prospect Park, NJ
  • Average cloud cover in December: 48

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in December
Prospect Park, NJ

Average visibility in December - Prospect Park, NJ
  • Average visibility in December: 6mi

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

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