December weather forecast
Kecksburg, PA

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Weather in December

December, the first month of the winter in Kecksburg, is also a wintry month, with temperature in the range of an average high of 39.2°F (4°C) and an average low of 27.7°F (-2.4°C).

Temperature

The move into December indicates a reduction in the average high-temperature, down from November's frosty 48.9°F (9.4°C) to a wintry 39.2°F (4°C). In the month of December, the temperature generally rests at an average low of 27.7°F (-2.4°C).

Humidity

In December, the average relative humidity is 84%.

Rainfall

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

Snowfall

January through May, October through December are months with snowfall. In Kecksburg, during December, snow falls for 12.8 days and regularly aggregates up to 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 the month, sunrise is at 7:21 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:02 pm EST.

Sunshine

In December, the average sunshine is 3.6h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce 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.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature, in December, in Kecksburg, is 39.2°F (4°C), while the average low-temperature is 27.7°F (-2.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 84%.

How many days does it rain in December in Kecksburg?

In Kecksburg, in December, during 13.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Kecksburg, in December, snow falls for 12.8 days, with typically accumulated 6.1" (155mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When are sunrise and sunset in December?

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.

How many hours of sunshine does Kecksburg have in December?

In Kecksburg, the average sunshine duration in December is 3.6h.

When is the lowest UV index?

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

What is the UV index reading in December in Kecksburg?

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

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Kecksburg, Pennsylvania, USA

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