December weather forecast
Kecksburg, PA

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Weather in December

The first month of the winter, December, is also an icy month in Kecksburg, Pennsylvania, with an average temperature fluctuating between 39.2°F (4°C) and 27.7°F (-2.4°C).

Temperature

Welcoming December, Kecksburg observes a shift in the average high-temperature, falling from November's chilly 48.9°F (9.4°C) to a cold 39.2°F (4°C). Kecksburg's December nights cool down to an average low-temperature of 27.7°F (-2.4°C).

Humidity

In Kecksburg, the average relative humidity in December is 84%.

Rainfall

In Kecksburg, in December, during 13.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Kecksburg, Pennsylvania, during the entire year, the rain falls for 185.4 days and collects up to 34.02" (864mm) of precipitation.

Snowfall

Months with snowfall in Kecksburg, Pennsylvania, are January through May, October through December. In Kecksburg, in December, snow falls for 12.8 days, with typically accumulated 6.1" (155mm) of snow. Throughout the year, in Kecksburg, Pennsylvania, there are 63.2 snowfall days, and 29.02" (737mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:21 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:02 pm EST.

Sunshine

The average sunshine in December in Kecksburg is 3.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 2 in December transforms into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

Is December cold in Kecksburg?

The high-temperature, in December, in Kecksburg, is 39.2°F (4°C), while the low-temperature averages to 27.7°F (-2.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is computed to be 84.2°F (29°C).

What is the average humidity in December in Kecksburg?

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

How many days does it rain in December in Kecksburg?

In Kecksburg, in December, it is raining for 13.1 days, with typically 3.03" (77mm) of accumulated precipitation.

How many days does it snow in December in Kecksburg?

In Kecksburg, Pennsylvania, during December, snow falls for 12.8 days and regularly aggregates up to 6.1" (155mm) of snow.

What is the month with the shortest days in Kecksburg?

December has the shortest days of the year in Kecksburg, with an average of 9h and 24min of daylight.

How many hours of daylight does Kecksburg have in December?

In Kecksburg, Pennsylvania, the average day length in December is 9h and 22min.

When are sunrise and sunset in December in Kecksburg?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:52 pm. On the last day of the month, in Kecksburg, sunrise is at 7:40 am and sunset at 5:02 pm EST.

How long on average sun shines in December in Kecksburg?

The average sunshine duration in December is 3.6h.

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

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

What is the UV index intensity in December in Kecksburg?

The average daily maximum UV index in December in Kecksburg is 2. A UV Index reading of 2, and below, represents a low health risk 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
Kecksburg, PA

Average temperature in December - Kecksburg, PA
  • Average high temperature in December: 39.2°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure in December
Kecksburg, PA

Average pressure in December - Kecksburg, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Kecksburg, PA

Average wind speed in December - Kecksburg, PA
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Kecksburg, PA

Average humidity in December - Kecksburg, PA
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).

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Average rainfall in December
Kecksburg, PA

Average rainfall in December - Kecksburg, PA
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.01").

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Average rainfall days in December
Kecksburg, PA

Average rainfall days in December - Kecksburg, PA
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is January (9.8 days).

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Average snowfall in December
Kecksburg, PA

Average snowfall in December - Kecksburg, PA
  • Average snowfall in December: 6.1"

The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Kecksburg, PA

Average snowfall days in December - Kecksburg, PA
  • Average snowfall days in December: 12.8 days

The month with the highest number of snowfall days is January (17.3 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
Kecksburg, PA

Average daylight in December / Average sunshine in December - Kecksburg, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in December
Kecksburg, PA

Average sunshine days in December - Kecksburg, PA
  • Average sunshine days in December: 9.7 days

The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.5 days).

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Average UV index in December
Kecksburg, PA

Average UV index in December - Kecksburg, 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
Kecksburg, PA

Average cloud cover in December - Kecksburg, PA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in December
Kecksburg, PA

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

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