December weather forecast
Coaldale, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Coaldale, Pennsylvania, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 38.1°F (3.4°C).

Temperature

A shift in the average high-temperature occurs in December, reducing from a chilly 47.3°F (8.5°C) in November to a cold 38.1°F (3.4°C). Coaldale records a mean low-temperature of 27.3°F (-2.6°C) in December.

Humidity

The months with the highest humidity in Coaldale, Pennsylvania, are February and December, with an average relative humidity of 83%.

Rainfall

In December, the rain falls for 12.2 days. Throughout December, 2.87" (73mm) of precipitation is accumulated. In Coaldale, during the entire year, the rain falls for 167.5 days and collects up to 33.66" (855mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Coaldale, in December, during 8.7 snowfall days, 4.06" (103mm) of snow is typically accumulated. In Coaldale, Pennsylvania, during the entire year, snow falls for 49.4 days and aggregates up to 27.56" (700mm) 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, sunrise is at 7:09 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:46 pm EST.

Sunshine

In Coaldale, the average sunshine in December is 4.4h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Coaldale, Pennsylvania. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

How cold does it get in Coaldale in December?

In Coaldale, 38.1°F (3.4°C) is the average high-temperature and 27.3°F (-2.6°C) is the average low-temperature during December. In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 86°F (30°C).

What are the most humid months in Coaldale?

The months with the highest humidity in Coaldale, Pennsylvania, are February and December, with an average relative humidity of 83%.

What is the average humidity in December in Coaldale?

The average relative humidity in December in Coaldale, Pennsylvania, is 83%.

How many days does it rain in December in Coaldale?

In Coaldale, Pennsylvania, in December, it is raining for 12.2 days, with typically 2.87" (73mm) of accumulated precipitation.

How many days does it snow in December in Coaldale?

In Coaldale, in December, during 8.7 snowfall days, 4.06" (103mm) of snow is typically accumulated.

What is the month with the shortest days in Coaldale?

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

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

The average day length in December in Coaldale, Pennsylvania, is 9h and 18min.

When is the sunrise / sunset in December in Coaldale?

On the first day of December in Coaldale, sunrise is at 7:09 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:46 pm EST.

How many hours of sunshine does Coaldale have in December?

The average sunshine duration in December in Coaldale, Pennsylvania, is 4.4h.

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

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

How high is the UV index in December in Coaldale?

In December, the average daily maximum UV index in Coaldale is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Coaldale, PA

Average temperature in December - Coaldale, PA
  • Average high temperature in December: 38.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in December
Coaldale, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Coaldale, PA

Average wind speed in December - Coaldale, PA
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Coaldale, PA

Average humidity in December - Coaldale, PA
  • Average humidity in December: 83%

The months with the highest relative humidity are February and December (83%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in December
Coaldale, PA

Average rainfall in December - Coaldale, PA
  • Average rainfall in December: 2.87"

The wettest months (with the highest rainfall) are May, July and August (3.19").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in December
Coaldale, PA

Average rainfall days in December - Coaldale, PA
  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (9.6 days).

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Average snowfall in December
Coaldale, PA

Average snowfall in December - Coaldale, PA
  • Average snowfall in December: 4.06"

The month with the highest snowfall is January (6.93").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Coaldale, PA

Average snowfall days in December - Coaldale, PA
  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (12.7 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
Coaldale, PA

Average daylight in December / Average sunshine in December - Coaldale, 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: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in December
Coaldale, PA

Average sunshine days in December - Coaldale, PA
  • Average sunshine days in December: 14 days

The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is May (9.7 days).

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Average UV index in December
Coaldale, PA

Average UV index in December - Coaldale, PA
  • Average UV index in December: 2

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

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Average cloud cover in December
Coaldale, PA

Average cloud cover in December - Coaldale, PA
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in December
Coaldale, PA

Average visibility in December - Coaldale, PA
  • 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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Coaldale, Pennsylvania, USA

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