December weather forecast
Enon Valley, PA

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Weather in December

The first month of the winter, December, is also an icy month in Enon Valley, Pennsylvania, with an average temperature fluctuating between 27.1°F (-2.7°C) and 38.3°F (3.5°C).

Temperature

Enon Valley's December weather shows a moderate shift in high-temperatures, falling from November's frosty 47.8°F (8.8°C) to a cold 38.3°F (3.5°C). December nights are marked by an average temperature drop to a freezing cold 27.1°F (-2.7°C).

Humidity

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

Rainfall

In Enon Valley, in December, during 10.6 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, in Enon Valley, Pennsylvania, there are 168.9 rainfall days, and 24.25" (616mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Enon Valley, in December, during 14.1 snowfall days, 3.5" (89mm) of snow is typically accumulated. Throughout the year, in Enon Valley, Pennsylvania, there are 69 snowfall days, and 17.17" (436mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Enon Valley, Pennsylvania, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:27 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:04 pm EST.

Sunshine

The average sunshine in December is 3.2h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 1 during December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

How cold is it in Enon Valley in December?

The average high-temperature and low-temperature during December are 38.3°F (3.5°C) and 27.1°F (-2.7°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 86°F (30°C).

What is the average humidity in December in Enon Valley?

In Enon Valley, Pennsylvania, the average relative humidity in December is 85%.

How much does it rain in Enon Valley in December?

In Enon Valley, in December, it is raining for 10.6 days, with typically 1.69" (43mm) of accumulated precipitation.

How many days does it snow in December in Enon Valley?

In December, in Enon Valley, Pennsylvania, it is snowing for 14.1 days. Throughout December, 3.5" (89mm) of snow is accumulated.

What is the month with the shortest days in Enon Valley?

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

How many hours of daylight does Enon Valley have in December?

In Enon Valley, Pennsylvania, the average day length in December is 9h and 18min.

What time are sunrise and sunset in December in Enon Valley?

In December, on the first day of the month, sunrise is at 7:27 am and sunset at 4:54 pm. On the last day of the month, in Enon Valley, sunrise is at 7:46 am and sunset at 5:04 pm EST.

How long on average sun shines in December in Enon Valley?

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

When is the lowest UV index in Enon Valley?

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

What is the UV index intensity in December in Enon Valley?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Enon Valley, PA

Average temperature in December - Enon Valley, PA
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in December: 27.1°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in December
Enon Valley, PA

Average pressure in December - Enon Valley, PA
  • Average pressure in December: 30.1"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
Enon Valley, PA

Average wind speed in December - Enon Valley, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in December
Enon Valley, PA

Average humidity in December - Enon Valley, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).

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Average rainfall in December
Enon Valley, PA

Average rainfall in December - Enon Valley, PA
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is November (1.3").

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Average rainfall days in December
Enon Valley, PA

Average rainfall days in December - Enon Valley, PA
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in December
Enon Valley, PA

Average snowfall in December - Enon Valley, PA
  • Average snowfall in December: 3.5"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Enon Valley, PA

Average snowfall days in December - Enon Valley, PA
  • Average snowfall days in December: 14.1 days

The month with the highest number of snowfall days is January (18.2 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
Enon Valley, PA

Average daylight in December / Average sunshine in December - Enon Valley, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in December
Enon Valley, PA

Average sunshine days in December - Enon Valley, PA
  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is February (7.1 days).

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Average UV index in December
Enon Valley, PA

Average UV index in December - Enon Valley, PA
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Enon Valley, PA

Average cloud cover in December - Enon Valley, PA
  • Average cloud cover in December: 66

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in December
Enon Valley, PA

Average visibility in December - Enon Valley, PA
  • Average visibility in December: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

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Enon Valley, Pennsylvania, USA

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