December weather forecast
Skytop, PA

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Weather in December

The first month of the winter, December, is still a cold month in Skytop, Pennsylvania, with an average temperature ranging between max 37.6°F (3.1°C) and min 26.2°F (-3.2°C).

Temperature

With the beginning of December, the average high-temperature shows a decrease, transitioning from a frosty 47.1°F (8.4°C) in November to an icy 37.6°F (3.1°C). Skytop in December experiences a low-temperature average of 26.2°F (-3.2°C).

Humidity

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

Rainfall

In Skytop, during December, the rain falls for 11.4 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Skytop, during the entire year, the rain falls for 166.6 days and collects up to 32.6" (828mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Skytop, during December, snow falls for 7.4 days and regularly aggregates up to 3.46" (88mm) of snow. In Skytop, during the entire year, snow falls for 40.3 days and aggregates up to 20.47" (520mm) 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 Skytop, sunrise is at 7:07 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:42 pm EST.

Sunshine

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

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 in December interprets 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

Is December cold?

December temperatures vary between a high-temperature of 37.6°F (3.1°C) and a low-temperature of 26.2°F (-3.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 87.8°F (31°C).

What is the most humid month?

February and December, with an average relative humidity of 83%, are most humid months in Skytop.

What is the average humidity in December?

In December, the average relative humidity in Skytop is 83%.

How much does it rain in December?

In December, the rain falls for 11.4 days. Throughout December, 2.72" (69mm) of precipitation is accumulated.

How much does it snow in Skytop in December?

In Skytop, in December, during 7.4 snowfall days, 3.46" (88mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When are sunrise and sunset in December in Skytop?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:32 pm. On the last day of the month, in Skytop, sunrise is at 7:26 am and sunset at 4:42 pm EST.

How many hours of sunshine does Skytop have in December?

In December, the average sunshine duration is 4.4h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Skytop, Pennsylvania, the average daily maximum UV index in December 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
Skytop, PA

Average temperature in December - Skytop, PA
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in December
Skytop, PA

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Skytop, PA

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

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Skytop, PA

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

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

Average rainfall in December
Skytop, PA

Average rainfall in December - Skytop, PA
  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Skytop, PA

Average rainfall days in December - Skytop, PA
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in December
Skytop, PA

Average snowfall in December - Skytop, PA
  • Average snowfall in December: 3.46"

The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Skytop, PA

Average snowfall days in December - Skytop, PA
  • Average snowfall days in December: 7.4 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Skytop, PA

Average daylight in December / Average sunshine in December - Skytop, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in December
Skytop, PA

Average sunshine days in December - Skytop, PA
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (9.6 days).

Average UV index in December
Skytop, PA

Average UV index in December - Skytop, 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).

Average cloud cover in December
Skytop, PA

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

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in December
Skytop, PA

Average visibility in December - Skytop, 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).

Skytop, Pennsylvania, USA

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