December weather forecast and climate
Pluckemin, NJ

The first month of the winter, December, is also a wintry month in Pluckemin, New Jersey, with average temperature varying between 41.9°F (5.5°C) and 30°F (-1.1°C).

Temperature

In December, the average high-temperature decreases, from a cool 50.9°F (10.5°C) in November, to a cold 41.9°F (5.5°C). In Pluckemin, in December, the average low-temperature is 30°F (-1.1°C).

Humidity

The average relative humidity in December is 79%.

Rainfall

December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.11" (79mm) of precipitation.

Snowfall

Months with snowfall in Pluckemin are January through May, October through December. In Pluckemin, New Jersey, in December, during 4.3 snowfall days, 1.89" (48mm) of snow is typically accumulated. Throughout the year, there are 25.8 snowfall days, and 11.38" (289mm) of snow is accumulated.

Daylight

With an average of 9.3h of daylight, December has the shortest days of the year in Pluckemin.

Sunshine

The average sunshine in Pluckemin is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Pluckemin, New Jersey. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from 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.

What is the temperature in December in Pluckemin?

In December, in Pluckemin, New Jersey, the average high-temperature is 41.9°F (5.5°C), and the average low-temperature is 30°F (-1.1°C).

What is the average humidity in December in Pluckemin?

In Pluckemin, New Jersey, the average relative humidity in December is 79%.

How many days does it rain in December in Pluckemin?

In Pluckemin, in December, during 11.5 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

What is the wettest month in Pluckemin?

December is the month with the most rainfall in Pluckemin, New Jersey. Rain falls for 11.5 days and accumulates 3.11" (79mm) of precipitation.

How much does it snow in Pluckemin in December?

In December, in Pluckemin, it is snowing for 4.3 days. Throughout December, 1.89" (48mm) of snow is accumulated.

What is the month with the shortest days in Pluckemin?

December has the shortest days of the year in Pluckemin, New Jersey, with an average of 9.3h of daylight.

How many hours of daylight does Pluckemin have in December?

In December, the average length of the day in Pluckemin, New Jersey, is 9.3h.

How many hours of sunshine does Pluckemin have in December?

In December, the average sunshine is 4.9h.

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

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

What is the UV index reading in December in Pluckemin?

In December, the average daily maximum UV index in Pluckemin, New Jersey, is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Pluckemin, NJ
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in December - Pluckemin, NJ
  • Average pressure in December: 30.08"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in December - Pluckemin, NJ
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December - Pluckemin, NJ
  • Average humidity in December: 79%

Months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (74%).

Average rainfall in December - Pluckemin, NJ
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in December - Pluckemin, NJ
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in December - Pluckemin, NJ
  • Average snowfall in December: 1.89"

The month with the highest snowfall is March (3.39").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in December - Pluckemin, NJ
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (7.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Pluckemin, 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: 4.6h).

Average sunshine days in December - Pluckemin, NJ
  • Average sunshine days in December: 16.1 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12.2 days).

Average UV index in December - Pluckemin, 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).

Average cloud cover in December - Pluckemin, NJ
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in December - Pluckemin, NJ
  • Average visibility in December: 6mi

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