December weather forecast
Forty Fort, PA

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Weather in December

The first month of the winter, December, is also an icy month in Forty Fort, Pennsylvania, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 36.9°F (2.7°C).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a chilly 46.2°F (7.9°C) in November to an icy 36.9°F (2.7°C). The average low-temperature, in December, is a freezing cold 25.9°F (-3.4°C).

Humidity

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

Rainfall

In Forty Fort, in December, it is raining for 11.3 days, with typically 0.98" (25mm) of accumulated precipitation. In Forty Fort, during the entire year, the rain falls for 142.7 days and collects up to 13.19" (335mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Forty Fort, Pennsylvania. In Forty Fort, Pennsylvania, in December, snow falls for 10 days, with typically accumulated 1.93" (49mm) of snow. Throughout the year, in Forty Fort, there are 49.9 snowfall days, and 9.92" (252mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Forty Fort, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:10 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:44 pm EST.

Sunshine

In December, the average sunshine in Forty Fort is 3.9h.

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 minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

How cold is December in Forty Fort?

The high-temperature, in December, in Forty Fort, records 36.9°F (2.7°C), while the low-temperature is 25.9°F (-3.4°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the most humid month in Forty Fort?

February and December, with an average relative humidity of 84%, are most humid months in Forty Fort, Pennsylvania.

What is the average humidity in December in Forty Fort?

In December, the average relative humidity in Forty Fort, Pennsylvania, is 84%.

How many days does it rain in December in Forty Fort?

In December, the rain falls for 11.3 days. Throughout December, 0.98" (25mm) of precipitation is accumulated.

How many days does it snow in December in Forty Fort?

In December, it is snowing for 10 days. Throughout December, 1.93" (49mm) of snow is accumulated.

What is the month with the shortest days in Forty Fort?

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

What is the average length of the day in December in Forty Fort?

In December, the average day length is 9h and 16min.

When is the sunrise / sunset in December in Forty Fort?

On the first day of December in Forty Fort, Pennsylvania, sunrise is at 7:10 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:44 pm EST.

How long on average sun shines in December in Forty Fort?

In Forty Fort, Pennsylvania, the average sunshine duration in December is 3.9h.

When is the lowest UV index in Forty Fort?

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

What is the UV index reading in December in Forty Fort?

In December, the average daily maximum UV index in Forty Fort, Pennsylvania, is 1. A UV Index of 2, and less, symbolizes a low health threat from unsafe 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
Forty Fort, PA

Average temperature in December - Forty Fort, PA
  • Average high temperature in December: 36.9°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 25.9°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in December
Forty Fort, PA

Average pressure in December - Forty Fort, 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
Forty Fort, PA

Average wind speed in December - Forty Fort, PA
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Forty Fort, PA

Average humidity in December - Forty Fort, 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 (77%).

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Average rainfall in December
Forty Fort, PA

Average rainfall in December - Forty Fort, PA
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days in December
Forty Fort, PA

Average rainfall days in December - Forty Fort, PA
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in December
Forty Fort, PA

Average snowfall in December - Forty Fort, PA
  • Average snowfall in December: 1.93"

The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Forty Fort, PA

Average snowfall days in December - Forty Fort, PA
  • Average snowfall days in December: 10 days

The month with the highest number of snowfall days is January (13.7 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
Forty Fort, PA

Average daylight in December / Average sunshine in December - Forty Fort, 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: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

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Average sunshine days in December
Forty Fort, PA

Average sunshine days in December - Forty Fort, PA
  • Average sunshine days in December: 13.7 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (11.6 days).

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Average UV index in December
Forty Fort, PA

Average UV index in December - Forty Fort, 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
Forty Fort, PA

Average cloud cover in December - Forty Fort, PA
  • Average cloud cover in December: 60

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in December
Forty Fort, PA

Average visibility in December - Forty Fort, 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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Forty Fort, Pennsylvania, USA

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