December weather forecast
Hamburg, NJ

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Weather in December

The first month of the winter, December, is also a wintry month in Hamburg, New Jersey, with an average temperature ranging between max 38.7°F (3.7°C) and min 27.1°F (-2.7°C).

Temperature

Start of December brings a shift in the average high-temperature, falling from November's chilly 48.4°F (9.1°C) to a wintry 38.7°F (3.7°C). In the month of December, the average low-temperature usually rests at a subzero cold 27.1°F (-2.7°C).

Humidity

The months with the highest humidity in Hamburg are February, October and December, with an average relative humidity of 82%.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Hamburg, during the entire year, the rain falls for 165.9 days and collects up to 31.18" (792mm) of precipitation.

Snowfall

Months with snowfall in Hamburg are January through May, October through December. In Hamburg, New Jersey, in December, during 6.9 snowfall days, 2.76" (70mm) of snow is typically accumulated. In Hamburg, during the entire year, snow falls for 37.8 days and aggregates up to 18.03" (458mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:30 pm. On the last day of December, in Hamburg, New Jersey, sunrise is at 7:23 am and sunset at 4:39 pm EST.

Sunshine

In December, the average sunshine in Hamburg, New Jersey, is 4.6h.

UV index

December is the month with the lowest UV index in Hamburg, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 1 in December translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

Is December cold in Hamburg?

The average high-temperature and low-temperature in Hamburg, New Jersey, during December are 38.7°F (3.7°C) and 27.1°F (-2.7°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is calculated to be 89.6°F (32°C).

What are the most humid months in Hamburg?

February, October and December, with an average relative humidity of 82%, are most humid months.

What is the average humidity in December in Hamburg?

In December, the average relative humidity in Hamburg is 82%.

How many days does it rain in December in Hamburg?

In Hamburg, during December, the rain falls for 11.8 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How much does it snow in Hamburg in December?

In Hamburg, New Jersey, during December, snow falls for 6.9 days and regularly aggregates up to 2.76" (70mm) of snow.

What is the month with the shortest days in Hamburg?

December has the shortest days of the year in Hamburg, with an average of 9h and 18min of daylight.

How many hours of daylight does Hamburg have in December?

In December, the average day length in Hamburg is 9h and 16min.

When is the sunrise / sunset in December in Hamburg?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:39 pm EST.

How many hours of sunshine does Hamburg have in December?

The average sunshine duration in December is 4.6h.

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

The month with the lowest UV index is December, with an average maximum UV index of 1.

What is the UV index intensity in December in Hamburg?

In Hamburg, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to 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
Hamburg, NJ

Average temperature in December - Hamburg, NJ
  • Average high temperature in December: 38.7°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 (33.1°F).

  • Average low temperature in December: 27.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

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Average pressure in December
Hamburg, NJ

Average pressure in December - Hamburg, 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
Hamburg, NJ

Average wind speed in December - Hamburg, NJ
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Hamburg, NJ

Average humidity in December - Hamburg, NJ
  • Average humidity in December: 82%

The months with the highest relative humidity are February, October and December (82%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in December
Hamburg, NJ

Average rainfall in December - Hamburg, NJ
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in December
Hamburg, NJ

Average rainfall days in December - Hamburg, NJ
  • Average rainfall days in December: 11.8 days

The months with the highest number of rainy days are May and July (18.2 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in December
Hamburg, NJ

Average snowfall in December - Hamburg, NJ
  • Average snowfall in December: 2.76"

The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Hamburg, NJ

Average snowfall days in December - Hamburg, NJ
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is January (10.4 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
Hamburg, NJ

Average daylight in December / Average sunshine in December - Hamburg, 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: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in December
Hamburg, NJ

Average sunshine days in December - Hamburg, NJ
  • Average sunshine days in December: 14.6 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in December
Hamburg, NJ

Average UV index in December - Hamburg, NJ
  • Average UV index in December: 1

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Hamburg, NJ

Average cloud cover in December - Hamburg, NJ
  • Average cloud cover in December: 51

The months with the most cloud cover are February and March (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in December
Hamburg, NJ

Average visibility in December - Hamburg, NJ
  • Average visibility in December: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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Hamburg, New Jersey, USA

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