December weather forecast
Port Jenkins, PA

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Weather in December

December, the first month of the winter in Port Jenkins, is also a wintry month, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 25.5°F (-3.6°C).

Temperature

With the onset of December, Port Jenkins experiences a modest temperature adjustment, with the average high-temperature receding from a chilly 45.9°F (7.7°C) in November to an icy 36.5°F (2.5°C). Port Jenkins's average low-temperature for the month of December records at a subzero cold 25.5°F (-3.6°C).

Humidity

The months with the highest humidity in Port Jenkins, Pennsylvania, are February and December, with an average relative humidity of 84%.

Rainfall

In Port Jenkins, Pennsylvania, in December, it is raining for 11 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, there are 163.6 rainfall days, and 35" (889mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Port Jenkins, in December, snow falls for 10.7 days, with typically accumulated 5.87" (149mm) of snow. In Port Jenkins, during the entire year, snow falls for 60.9 days and aggregates up to 38.9" (988mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December in Port Jenkins, sunrise is at 7:09 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:44 pm EST.

Sunshine

In December, the average sunshine is 3.8h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

How cold is December in Port Jenkins?

In December, the average high-temperature and low-temperature in Port Jenkins are 36.5°F (2.5°C) and 25.5°F (-3.6°C) respectively.

What are the most humid months in Port Jenkins?

The months with the highest humidity in Port Jenkins are February and December, with an average relative humidity of 84%.

What is the average humidity in December in Port Jenkins?

In December, the average relative humidity is 84%.

How many days does it rain in December in Port Jenkins?

In Port Jenkins, during December, the rain falls for 11 days and regularly aggregates up to 2.95" (75mm) of precipitation.

How many days does it snow in December in Port Jenkins?

In December, in Port Jenkins, Pennsylvania, it is snowing for 10.7 days. Throughout December, 5.87" (149mm) of snow is accumulated.

What is the month with the shortest days in Port Jenkins?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Port Jenkins.

What is the average length of the day in December in Port Jenkins?

In December, the average day length is 9h and 17min.

When is the sunrise / sunset in December in Port Jenkins?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:35 pm. On the last day of the month, in Port Jenkins, sunrise is at 7:28 am and sunset at 4:44 pm EST.

How long on average sun shines in December in Port Jenkins?

In December, the average sunshine duration in Port Jenkins, Pennsylvania, is 3.8h.

When is the lowest UV index in Port Jenkins?

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

How high is the UV index in December in Port Jenkins?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Port Jenkins, PA

Average temperature in December - Port Jenkins, PA
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 25.5°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in December
Port Jenkins, PA

Average pressure in December - Port Jenkins, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Port Jenkins, PA

Average wind speed in December - Port Jenkins, PA
  • Average wind speed in December: 7.9mph

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).

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Average humidity in December
Port Jenkins, PA

Average humidity in December - Port Jenkins, PA
  • Average humidity in December: 84%

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (78%).

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Average rainfall in December
Port Jenkins, PA

Average rainfall in December - Port Jenkins, PA
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days in December
Port Jenkins, PA

Average rainfall days in December - Port Jenkins, PA
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7 days).

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Average snowfall in December
Port Jenkins, PA

Average snowfall in December - Port Jenkins, PA
  • Average snowfall in December: 5.87"

The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Port Jenkins, PA

Average snowfall days in December - Port Jenkins, PA
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is January (14.8 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
Port Jenkins, PA

Average daylight in December / Average sunshine in December - Port Jenkins, PA
  • 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in December
Port Jenkins, PA

Average sunshine days in December - Port Jenkins, PA
  • Average sunshine days in December: 13.2 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (9.2 days).

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Average UV index in December
Port Jenkins, PA

Average UV index in December - Port Jenkins, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Port Jenkins, PA

Average cloud cover in December - Port Jenkins, PA
  • Average cloud cover in December: 61

The months with the most cloud cover are February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in December
Port Jenkins, PA

Average visibility in December - Port Jenkins, PA
  • Average visibility in December: 5mi

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

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Port Jenkins, Pennsylvania, USA

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