December weather forecast and climate
Paramus, NJ

Weather in December

December, the first month of the winter, in Paramus, is still a cold month, with average temperature ranging between min 31.5°F (-0.3°C) and max 41.9°F (5.5°C).

Temperature

In Paramus, the average high-temperature in December decreases, from a cool 50.9°F (10.5°C) in November, to a wintry 41.9°F (5.5°C). The average low-temperature, in December, is 31.5°F (-0.3°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In December, the rain falls for 11 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. In Paramus, during the entire year, the rain falls for 149.3 days and collects up to 22.36" (568mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Paramus. In December, in Paramus, it is snowing for 3.7 days. Throughout December, 1.02" (26mm) of snow is accumulated. Throughout the year, there are 19.4 snowfall days, and 4.96" (126mm) of snow is accumulated.

Daylight

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

Sunshine

The average sunshine in December is 4.8h.

UV index

Months with the lowest UV index in Paramus are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate 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:
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. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Paramus?

The average high-temperature, in December, in Paramus, is 41.9°F (5.5°C), while the average low-temperature is 31.5°F (-0.3°C).

What is the average humidity in December in Paramus?

The average relative humidity in December in Paramus, New Jersey, is 76%.

How much does it rain in Paramus in December?

In December, in Paramus, the rain falls for 11 days. Throughout December, 2.32" (59mm) of precipitation is accumulated.

How much does it snow in Paramus in December?

In Paramus, New Jersey, during December, snow falls for 3.7 days and regularly aggregates up to 1.02" (26mm) of snow.

What is the month with the shortest days in Paramus?

December has the shortest days of the year in Paramus, New Jersey, with an average of 9.3h of daylight.

How many hours of daylight does Paramus have in December?

In December, the average length of the day in Paramus, New Jersey, is 9.3h.

How many hours of sunshine does Paramus have in December?

The average sunshine in December in Paramus is 4.8h.

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

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

What is the UV index intensity in December in Paramus?

In Paramus, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.

Average temperature in December
Paramus, NJ

Average temperature in December - Paramus, NJ
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in December
Paramus, NJ

Average pressure in December - Paramus, NJ
  • Average pressure in December: 30.07"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in December
Paramus, NJ

Average wind speed in December - Paramus, NJ
  • Average wind speed in December: 8.2mph

The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

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Average humidity in December
Paramus, NJ

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

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in December
Paramus, NJ

Average rainfall in December - Paramus, NJ
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is July (2.48").
The driest month (with the least rainfall) is February (1.34").

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Average rainfall days in December
Paramus, NJ

Average rainfall days in December - Paramus, NJ
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in December
Paramus, NJ

Average snowfall in December - Paramus, NJ
  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (1.34").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Paramus, NJ

Average snowfall days in December - Paramus, NJ
  • Average snowfall days in December: 3.7 days

The month with the highest number of snowfall days is February (5.7 days).
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
Paramus, NJ

Average daylight in December / Average sunshine in December - Paramus, 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: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in December
Paramus, NJ

Average sunshine days in December - Paramus, NJ
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (11.9 days).

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Average UV index in December
Paramus, NJ

Average UV index in December - Paramus, 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
Paramus, NJ

Average cloud cover in December - Paramus, NJ
  • Average cloud cover in December: 48

Months with the most cloud cover are February, March and December (Cloud cover 48).
Months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in December
Paramus, NJ

Average visibility in December - Paramus, 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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