December weather forecast
Kearny, NJ

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Weather in December

The first month of the winter, December, is also an icy month in Kearny, New Jersey, with an average temperature varying between 41.9°F (5.5°C) and 32.7°F (0.4°C).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from a cool 50.9°F (10.5°C) in November to a cold 41.9°F (5.5°C). During December, the nighttime temperature averages to a still icy 32.7°F (0.4°C).

Humidity

February and December, with an average relative humidity of 77%, are the most humid months in Kearny.

Rainfall

The month with the most rainfall in Kearny is December, when the rain falls for 12.2 days and typically aggregates up to 3.23" (82mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Kearny, New Jersey. In Kearny, in December, snow falls for 3.7 days, with typically accumulated 1.42" (36mm) of snow. In Kearny, New Jersey, during the entire year, snow falls for 22.7 days and aggregates up to 8.9" (226mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December in Kearny, sunrise is at 7:02 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:39 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

Is December cold in Kearny?

The high-temperature, in December, in Kearny, records 41.9°F (5.5°C), while the low-temperature is 32.7°F (0.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 86°F (30°C).

What is the most humid month in Kearny?

February and December, with an average relative humidity of 77%, are most humid months in Kearny, New Jersey.

What is the average humidity in December in Kearny?

The average relative humidity in December is 77%.

What is the rainiest month in Kearny?

The month with the most rainfall in Kearny is December, when the rain falls for 12.2 days and typically aggregates up to 3.23" (82mm) of precipitation.

How much does it rain in Kearny in December?

In December, the rain falls for 12.2 days. Throughout December, 3.23" (82mm) of precipitation is accumulated.

How much does it snow in Kearny in December?

In Kearny, New Jersey, during December, snow falls for 3.7 days and regularly aggregates up to 1.42" (36mm) of snow.

What is the month with the shortest days in Kearny?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Kearny, New Jersey.

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

In December, the average day length in Kearny is 9h and 19min.

What time are sunrise and sunset in December in Kearny?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:39 pm EST.

How many hours of sunshine does Kearny have in December?

The average sunshine duration in December in Kearny is 5h.

What is the month with the lowest UV index in Kearny?

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

How high is the UV index in December in Kearny?

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

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

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in December: 32.7°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 (25°F).

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Average pressure in December
Kearny, NJ

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

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Average wind speed in December
Kearny, NJ

Average wind speed in December - Kearny, NJ
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity in December
Kearny, NJ

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

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).

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Average rainfall in December
Kearny, NJ

Average rainfall in December - Kearny, NJ
  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Kearny, NJ

Average rainfall days in December - Kearny, NJ
  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (9.5 days).

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Average snowfall in December
Kearny, NJ

Average snowfall in December - Kearny, NJ
  • Average snowfall in December: 1.42"

The month with the highest snowfall is March (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Kearny, NJ

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

The month with the highest number of snowfall days is January (6.9 days).
The 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
Kearny, NJ

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Kearny, NJ

Average sunshine days in December - Kearny, NJ
  • Average sunshine days in December: 15.1 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.3 days).

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Average UV index in December
Kearny, NJ

Average UV index in December - Kearny, 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, March, November and December (UV index 2).

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Average cloud cover in December
Kearny, NJ

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

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Kearny, NJ

Average visibility in December - Kearny, 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).

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Kearny, New Jersey, USA

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