December weather forecast and climate
Garfield, NJ

Weather in December

The first month of the winter, December, is still a cold month in Garfield, New Jersey, with average temperature fluctuating between 41.7°F (5.4°C) and 31.1°F (-0.5°C).

Temperature

In December, the average high-temperature decreases, from a fresh 50.9°F (10.5°C) in November, to a cold 41.7°F (5.4°C). In December, the average low-temperature is 31.1°F (-0.5°C).

Humidity

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

Rainfall

In Garfield, it is raining for 10.4 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, in Garfield, there are 150.9 rainfall days, and 25.28" (642mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Garfield, during December, snow falls for 3.5 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, in Garfield, there are 20 snowfall days, and 8.07" (205mm) of snow is accumulated.

Daylight

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

Sunshine

In Garfield, the average sunshine is 4.9h.

UV index

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 low threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 are the most humid months in Garfield?

Months with the highest humidity in Garfield are February and December, with an average relative humidity of 77%.

What is the average humidity in December in Garfield?

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

How many days does it rain in December in Garfield?

In Garfield, during December, the rain falls for 10.4 days and regularly aggregates up to 2.36" (60mm) of precipitation.

How many days does it snow in December in Garfield?

In Garfield, in December, during 3.5 snowfall days, 1.14" (29mm) of snow is typically accumulated.

What is the month with the shortest days in Garfield?

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

How many hours of daylight does Garfield have in December?

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

How many hours of sunshine does Garfield have in December?

The average sunshine in December in Garfield is 4.9h.

When is the lowest UV index in Garfield?

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

What is the UV index intensity in December in Garfield?

The average daily maximum UV index in December in Garfield is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
Garfield, NJ

Average temperature in December - Garfield, NJ
  • Average high temperature in December: 41.7°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

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Average pressure in December
Garfield, NJ

Average pressure in December - Garfield, 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
Garfield, NJ

Average wind speed in December - Garfield, 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 months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
Garfield, NJ

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

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
Garfield, NJ

Average rainfall in December - Garfield, NJ
  • Average rainfall in December: 2.36"

The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is February (1.46").

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Average rainfall days in December
Garfield, NJ

Average rainfall days in December - Garfield, NJ
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in December
Garfield, NJ

Average snowfall in December - Garfield, NJ
  • Average snowfall in December: 1.14"

The month with the highest snowfall is March (2.83").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Garfield, NJ

Average snowfall days in December - Garfield, NJ
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is February (5.9 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
Garfield, NJ

Average daylight in December / Average sunshine in December - Garfield, 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: 4.9h

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
Garfield, NJ

Average sunshine days in December - Garfield, NJ
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index in December
Garfield, NJ

Average UV index in December - Garfield, 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
Garfield, NJ

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

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Garfield, NJ

Average visibility in December - Garfield, 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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