December weather forecast
Phalanx, NJ

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Weather in December

December, the first month of the winter in Phalanx, is still a chilly month, with an average temperature fluctuating between 43.9°F (6.6°C) and 34.5°F (1.4°C).

Temperature

December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a cool 52.2°F (11.2°C) in November to a chilly 43.9°F (6.6°C). Throughout the December nights, Phalanx encounters a low-temperature of 34.5°F (1.4°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

In December, in Phalanx, New Jersey, the rain falls for 4.9 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Phalanx, there are 68.3 rainfall days, and 5.75" (146mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Phalanx are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Phalanx, New Jersey, there are 8.7 snowfall days, and 0.43" (11mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:30 pm. On the last day of December, in Phalanx, sunrise is at 7:19 am and sunset at 4:40 pm EST.

Sunshine

In Phalanx, New Jersey, the average sunshine in December is 5.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Phalanx. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

How cold does it get in Phalanx in December?

Phalanx in December has an average high-temperature of 43.9°F (6.6°C) and an average low-temperature of 34.5°F (1.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is calculated to be 87.8°F (31°C).

What is the average humidity in December in Phalanx?

The average relative humidity in December is 76%.

How many days does it rain in December in Phalanx?

In December, the rain falls for 4.9 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

When does it start snowing in Phalanx?

December is the first month it typically snows in Phalanx. Throughout December, in the average 1.1 snowfall days, it receives 0.08" (2mm) of snow.

What is the month with the shortest days in Phalanx?

The month with the shortest days in Phalanx, New Jersey, is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Phalanx have in December?

In December, the average day length in Phalanx is 9h and 21min.

When is the sunrise / sunset in December in Phalanx?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:30 pm. On the last day of the month, in Phalanx, sunrise is at 7:19 am and sunset at 4:40 pm EST.

How many hours of sunshine does Phalanx have in December?

The average sunshine duration in December is 5.1h.

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

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

What is the UV index reading in December in Phalanx?

In December, the average daily maximum UV index in Phalanx, New Jersey, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Phalanx, NJ

Average temperature in December - Phalanx, NJ
  • Average high temperature in December: 43.9°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

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Average pressure in December
Phalanx, NJ

Average pressure in December - Phalanx, 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
Phalanx, NJ

Average wind speed in December - Phalanx, NJ
  • Average wind speed in December: 10.4mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in December
Phalanx, NJ

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

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (73%).

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Average rainfall in December
Phalanx, NJ

Average rainfall in December - Phalanx, NJ
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is July (0.71").
The driest month (with the least rainfall) is September (0.12").

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Average rainfall days in December
Phalanx, NJ

Average rainfall days in December - Phalanx, NJ
  • Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is July (8 days).
The month with the least rainy days is January (3.4 days).

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Average snowfall in December
Phalanx, NJ

Average snowfall in December - Phalanx, NJ
  • Average snowfall in December: 0.08"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Phalanx, NJ

Average snowfall days in December - Phalanx, NJ
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Phalanx, NJ

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in December
Phalanx, NJ

Average sunshine days in December - Phalanx, NJ
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is July (17.3 days).

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Average UV index in December
Phalanx, NJ

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

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Average cloud cover in December
Phalanx, NJ

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

The months with the most cloud cover are February, March and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in December
Phalanx, NJ

Average visibility in December - Phalanx, 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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Phalanx, New Jersey, USA

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