December weather forecast
Carbondale, PA

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Weather in December

The first month of the winter, December, is also an icy month in Carbondale, Pennsylvania, with an average temperature fluctuating between 35.2°F (1.8°C) and 24.6°F (-4.1°C).

Temperature

December's onset corresponds with a shift in the average high-temperature, moving from a frosty 44.6°F (7°C) in November to a wintry 35.2°F (1.8°C). In Carbondale, December nights cool down to an average of 24.6°F (-4.1°C).

Humidity

In Carbondale, the average relative humidity in December is 85%.

Rainfall

In Carbondale, in December, during 9.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 148 rainfall days, and 25.04" (636mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, in Carbondale, it is snowing for 13.7 days. Throughout December, 5.08" (129mm) of snow is accumulated. In Carbondale, during the entire year, snow falls for 68.4 days and aggregates up to 25.98" (660mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Carbondale.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:42 pm EST.

Sunshine

February and December, with an average of 3.2h of sunshine, are months with the least sunshine in Carbondale.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

How cold is it in Carbondale in December?

In Carbondale, in December, the average high-temperature is 35.2°F (1.8°C), and the average low-temperature is 24.6°F (-4.1°C).

What is the average humidity in December in Carbondale?

In Carbondale, the average relative humidity in December is 85%.

How much does it rain in Carbondale in December?

In Carbondale, during December, the rain falls for 9.8 days and regularly aggregates up to 1.85" (47mm) of precipitation.

How many days does it snow in December in Carbondale?

In December, in Carbondale, Pennsylvania, it is snowing for 13.7 days. Throughout December, 5.08" (129mm) of snow is accumulated.

What is the month with the shortest days in Carbondale?

December has the shortest days of the year in Carbondale, with an average of 9h and 12min of daylight.

How many hours of daylight does Carbondale have in December?

In Carbondale, Pennsylvania, the average day length in December is 9h and 14min.

What time are sunrise and sunset in December in Carbondale?

On the first day of December in Carbondale, sunrise is at 7:09 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:42 pm EST.

What are the months with the least sunshine in Carbondale?

February and December, with an average of 3.2h of sunshine, are months with the least sunshine in Carbondale, Pennsylvania.

How long on average sun shines in December in Carbondale?

The average sunshine duration in December in Carbondale, Pennsylvania, is 3.2h.

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

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Carbondale?

In December, the average daily maximum UV index in Carbondale is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Carbondale, PA

Average temperature in December - Carbondale, PA
  • Average high temperature in December: 35.2°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 (29.5°F).

  • Average low temperature in December: 24.6°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in December
Carbondale, PA

Average pressure in December - Carbondale, PA
  • 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
Carbondale, PA

Average wind speed in December - Carbondale, PA
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Carbondale, PA

Average humidity in December - Carbondale, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).

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Average rainfall in December
Carbondale, PA

Average rainfall in December - Carbondale, PA
  • Average rainfall in December: 1.85"

The wettest months (with the highest rainfall) are May and August (2.48").
The driest months (with the least rainfall) are January and September (1.65").

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Average rainfall days in December
Carbondale, PA

Average rainfall days in December - Carbondale, PA
  • Average rainfall days in December: 9.8 days

The months with the highest number of rainy days are April and May (16.3 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in December
Carbondale, PA

Average snowfall in December - Carbondale, PA
  • Average snowfall in December: 5.08"

The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Carbondale, PA

Average snowfall days in December - Carbondale, PA
  • Average snowfall days in December: 13.7 days

The month with the highest number of snowfall days is January (15.7 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
Carbondale, PA

Average daylight in December / Average sunshine in December - Carbondale, PA
  • Average daylight in December: 9h and 1min

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 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

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Average sunshine days in December
Carbondale, PA

Average sunshine days in December - Carbondale, PA
  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (9.6 days).

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Average UV index in December
Carbondale, PA

Average UV index in December - Carbondale, PA
  • Average UV index in December: 1

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

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Average cloud cover in December
Carbondale, PA

Average cloud cover in December - Carbondale, PA
  • Average cloud cover in December: 68

The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).

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Average visibility in December
Carbondale, PA

Average visibility in December - Carbondale, 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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Carbondale, Pennsylvania, USA

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