December weather forecast and climate
Brooklawn, NJ

Weather in December

The first month of the winter, December, is still a chilly month in Brooklawn, New Jersey, with average temperature varying between 32.9°F (0.5°C) and 44.1°F (6.7°C).

Temperature

In December, the average high-temperature marginally drops, from a cool 52.7°F (11.5°C) in November, to a frosty 44.1°F (6.7°C). In Brooklawn, the average low-temperature is 32.9°F (0.5°C).

Humidity

The average relative humidity in Brooklawn is 76%.

Rainfall

In December, the rain falls for 7.5 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 127.8 rainfall days, and 13.82" (351mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Brooklawn are January through May, November and December. In Brooklawn, during 1.6 snowfall days, 0.2" (5mm) of snow is typically accumulated. In Brooklawn, New Jersey, during the entire year, snow falls for 11.4 days, and aggregates up to 2.87" (73mm) of snow.

Daylight

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

Sunshine

The average sunshine is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability 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:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always 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 Brooklawn?

In Brooklawn, in December, the average high-temperature is 44.1°F (6.7°C), and the average low-temperature is 32.9°F (0.5°C).

What is the average humidity in December in Brooklawn?

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

How much does it rain in Brooklawn in December?

In Brooklawn, in December, it is raining for 7.5 days, with typically 1.18" (30mm) of accumulated precipitation.

How much does it snow in Brooklawn in December?

In Brooklawn, New Jersey, during December, snow falls for 1.6 days and regularly aggregates up to 0.2" (5mm) of snow.

What is the month with the shortest days in Brooklawn?

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

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

In December, the average length of the day in Brooklawn, New Jersey, is 9.4h.

How many hours of sunshine does Brooklawn have in December?

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

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

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

How high is the UV index in December in Brooklawn?

In December, the average daily maximum UV index in Brooklawn, New Jersey, is 2. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.

Average temperature in December
Brooklawn, NJ

Average temperature in December - Brooklawn, NJ
  • Average high temperature in December: 44.1°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in December
Brooklawn, NJ

Average pressure in December - Brooklawn, 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
Brooklawn, NJ

Average wind speed in December - Brooklawn, NJ
  • Average wind speed in December: 7.7mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in December
Brooklawn, NJ

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

The month with the highest relative humidity is October (77%).
Months with the lowest relative humidity are April and August (71%).

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Average rainfall in December
Brooklawn, NJ

Average rainfall in December - Brooklawn, NJ
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are January and February (0.83").

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Average rainfall days in December
Brooklawn, NJ

Average rainfall days in December - Brooklawn, NJ
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in December
Brooklawn, NJ

Average snowfall in December - Brooklawn, NJ
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.98").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Brooklawn, NJ

Average snowfall days in December - Brooklawn, NJ
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is January (3.8 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
Brooklawn, NJ

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

The month with the longest days is June (Average daylight: 15h).
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: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in December
Brooklawn, NJ

Average sunshine days in December - Brooklawn, NJ
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is May (13.3 days).

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Average UV index in December
Brooklawn, NJ

Average UV index in December - Brooklawn, 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
Brooklawn, NJ

Average cloud cover in December - Brooklawn, NJ
  • Average cloud cover in December: 46

Months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in December
Brooklawn, NJ

Average visibility in December - Brooklawn, 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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