December weather forecast
Millhurst, NJ

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Weather in December

The first month of the winter, December, is also a frosty month in Millhurst, New Jersey, with an average temperature varying between 43.7°F (6.5°C) and 34°F (1.1°C).

Temperature

With the onset of December, Millhurst's climate undergoes a slight change as the average high-temperature moves from a fresh 52.3°F (11.3°C) in November to a frosty 43.7°F (6.5°C). Throughout December, the average low-temperature records at a cold 34°F (1.1°C).

Humidity

In Millhurst, New Jersey, the average relative humidity in December is 77%.

Rainfall

The months with the most rainfall are July and December, with an average 3.7" (94mm) of precipitation.

Snowfall

Months with snowfall in Millhurst are January through May, October through December. In Millhurst, in December, during 3.8 snowfall days, 1.46" (37mm) of snow is typically accumulated. In Millhurst, during the entire year, snow falls for 20.4 days and aggregates up to 8.19" (208mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:31 pm. On the last day of December, in Millhurst, sunrise is at 7:19 am and sunset at 4:41 pm EST.

Sunshine

In Millhurst, the average sunshine in December is 5.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

How cold does it get in Millhurst in December?

During December, Millhurst experiences an average high-temperature of 43.7°F (6.5°C) and a low-temperature of 34°F (1.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in August is estimated at 84.2°F (29°C).

What is the average humidity in December in Millhurst?

The average relative humidity in December in Millhurst is 77%.

What is the wettest month in Millhurst?

The wettest months in Millhurst, New Jersey, are July and December, with an average 3.7" (94mm) of rainfall.

How many days does it rain in December in Millhurst?

In Millhurst, in December, it is raining for 12.6 days, with typically 3.7" (94mm) of accumulated precipitation.

How many days does it snow in December in Millhurst?

In Millhurst, in December, snow falls for 3.8 days, with typically accumulated 1.46" (37mm) of snow.

What is the month with the shortest days in Millhurst?

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

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

The average day length in December in Millhurst, New Jersey, is 9h and 22min.

When are sunrise and sunset in December in Millhurst?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:31 pm. On the last day of the month, in Millhurst, New Jersey, sunrise is at 7:19 am and sunset at 4:41 pm EST.

How long on average sun shines in December in Millhurst?

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

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

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

What is the UV index reading in December in Millhurst?

The average daily maximum UV index in December in Millhurst is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
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
Millhurst, NJ

Average temperature in December - Millhurst, NJ
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 34°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in December
Millhurst, NJ

Average pressure in December - Millhurst, 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
Millhurst, NJ

Average wind speed in December - Millhurst, NJ
  • Average wind speed in December: 9.7mph

The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in December
Millhurst, NJ

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

The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March and April (74%).

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Average rainfall in December
Millhurst, NJ

Average rainfall in December - Millhurst, NJ
  • Average rainfall in December: 3.7"

The wettest months (with the highest rainfall) are July and December (3.7").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in December
Millhurst, NJ

Average rainfall days in December - Millhurst, NJ
  • Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.6 days).

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Average snowfall in December
Millhurst, NJ

Average snowfall in December - Millhurst, NJ
  • Average snowfall in December: 1.46"

The month with the highest snowfall is March (2.36").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Millhurst, NJ

Average snowfall days in December - Millhurst, NJ
  • Average snowfall days in December: 3.8 days

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Millhurst, 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
Millhurst, NJ

Average sunshine days in December - Millhurst, NJ
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in December
Millhurst, NJ

Average UV index in December - Millhurst, 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
Millhurst, NJ

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

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in December
Millhurst, NJ

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

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