December weather forecast
Corbett, PA

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Weather in December

December, the first month of the winter in Corbett, is still a cold month, with an average temperature varying between 34.2°F (1.2°C) and 24.1°F (-4.4°C).

Temperature

With the beginning of December, the average high-temperature shows a decrease, transitioning from a chilly 43.7°F (6.5°C) in November to an icy 34.2°F (1.2°C). During the month of December, the temperature falls to an average of 24.1°F (-4.4°C).

Humidity

The average relative humidity in December is 86%.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 174 rainfall days, and 30.83" (783mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Corbett, Pennsylvania, during December, snow falls for 18 days and regularly aggregates up to 7.95" (202mm) of snow. Throughout the year, there are 86.8 snowfall days, and 41.54" (1055mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:19 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:50 pm EST.

Sunshine

The months with the least sunshine in Corbett are January and December, with an average of 2.9h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 1 during December leads to these advisories:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In Corbett, 34.2°F (1.2°C) is the average high-temperature and 24.1°F (-4.4°C) is the average low-temperature during December.

What is the average humidity in December?

The average relative humidity in December in Corbett is 86%.

How many days does it rain in December?

In December, the rain falls for 11.8 days. Throughout December, 2.64" (67mm) of precipitation is accumulated.

How much does it snow in December?

In Corbett, in December, during 18 snowfall days, 7.95" (202mm) of snow is typically accumulated.

What is the month with the shortest days in Corbett?

With an average of 9h and 12min 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 13min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:19 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:50 pm EST.

What are the months with the least sunshine?

January and December, with an average of 2.9h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 2.9h.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in December?

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

Average temperature in December - Corbett, PA
  • Average high temperature in December: 34.2°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in December
Corbett, PA

Average pressure in December - Corbett, 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).

Average wind speed in December
Corbett, PA

Average wind speed in December - Corbett, PA
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
Corbett, PA

Average humidity in December - Corbett, PA
  • Average humidity in December: 86%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in December
Corbett, PA

Average rainfall in December - Corbett, PA
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in December
Corbett, PA

Average rainfall days in December - Corbett, PA
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in December
Corbett, PA

Average snowfall in December - Corbett, PA
  • Average snowfall in December: 7.95"

The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Corbett, PA

Average snowfall days in December - Corbett, PA
  • Average snowfall days in December: 18 days

The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Corbett, PA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).

Average sunshine days in December
Corbett, PA

Average sunshine days in December - Corbett, PA
  • Average sunshine days in December: 7 days

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.9 days).

Average UV index in December
Corbett, PA

Average UV index in December - Corbett, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Corbett, PA

Average cloud cover in December - Corbett, PA
  • Average cloud cover in December: 71

The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 41).

Average visibility in December
Corbett, PA

Average visibility in December - Corbett, PA
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).

Corbett, Pennsylvania, USA

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