December weather forecast
Pleasant Run, NJ

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Weather in December

The first month of the winter, December, is also an icy month in Pleasant Run, New Jersey, with an average temperature ranging between max 41.9°F (5.5°C) and min 30.6°F (-0.8°C).

Temperature

Pleasant Run's December weather shows a moderate shift in high-temperatures, falling from November's fresh 50.9°F (10.5°C) to an icy 41.9°F (5.5°C). Pleasant Run experiences an average low-temperature of 30.6°F (-0.8°C) in the month of December.

Humidity

The average relative humidity in December is 79%.

Rainfall

In Pleasant Run, in December, it is raining for 7.7 days, with typically 1.14" (29mm) of accumulated precipitation. In Pleasant Run, New Jersey, during the entire year, the rain falls for 112.6 days and collects up to 11.77" (299mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In December, it is snowing for 2.6 days. Throughout December, 0.79" (20mm) of snow is accumulated. Throughout the year, there are 16.7 snowfall days, and 3.98" (101mm) of snow is accumulated.

Daylight

The month with the shortest days is December, 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 4:32 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:42 pm EST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Pleasant Run, is 41.9°F (5.5°C), while the low-temperature averages to 30.6°F (-0.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 79%.

How many days does it rain in December?

In December, the rain falls for 7.7 days. Throughout December, 1.14" (29mm) of precipitation is accumulated.

How much does it snow in December?

In Pleasant Run, in December, snow falls for 2.6 days, with typically accumulated 0.79" (20mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Pleasant Run?

In December, the average day length is 9h and 20min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:42 pm EST.

How many hours of sunshine does Pleasant Run have in December?

In Pleasant Run, the average sunshine duration in December is 4.8h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index value 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
Pleasant Run, NJ

Average temperature in December - Pleasant Run, NJ
  • Average high temperature in December: 41.9°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: 30.6°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in December
Pleasant Run, NJ

Average pressure in December - Pleasant Run, NJ
  • Average pressure in December: 30.09"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).

Average wind speed in December
Pleasant Run, NJ

Average wind speed in December - Pleasant Run, NJ
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Pleasant Run, NJ

Average humidity in December - Pleasant Run, NJ
  • Average humidity in December: 79%

The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Pleasant Run, NJ

Average rainfall in December - Pleasant Run, NJ
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is September (0.63").

Average rainfall days in December
Pleasant Run, NJ

Average rainfall days in December - Pleasant Run, NJ
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (5.5 days).

Average snowfall in December
Pleasant Run, NJ

Average snowfall in December - Pleasant Run, NJ
  • Average snowfall in December: 0.79"

The month with the highest snowfall is March (1.1").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Pleasant Run, NJ

Average snowfall days in December - Pleasant Run, NJ
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Pleasant Run, NJ

Average daylight in December / Average sunshine in December - Pleasant Run, 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 18min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Pleasant Run, NJ

Average sunshine days in December - Pleasant Run, NJ
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (15.6 days).

Average UV index in December
Pleasant Run, NJ

Average UV index in December - Pleasant Run, NJ
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Pleasant Run, NJ

Average cloud cover in December - Pleasant Run, NJ
  • Average cloud cover in December: 50

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December
Pleasant Run, NJ

Average visibility in December - Pleasant Run, NJ
  • Average visibility in December: 6mi

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

Pleasant Run, New Jersey, USA

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