December weather forecast
Foley Corner, PA

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Weather in December

The first month of the winter, December, is also an icy month in Foley Corner, Pennsylvania, with an average temperature ranging between min 25.7°F (-3.5°C) and max 35.2°F (1.8°C).

Temperature

Stepping into December, Foley Corner observes a temperature decline, with the average high falling from November's frosty 45.1°F (7.3°C) to a cold 35.2°F (1.8°C). December witnesses an average low-temperature hovering around a freezing cold 25.7°F (-3.5°C).

Humidity

In December, the average relative humidity is 84%.

Rainfall

In Foley Corner, in December, it is raining for 12 days, with typically 2.13" (54mm) of accumulated precipitation. In Foley Corner, during the entire year, the rain falls for 169.1 days and collects up to 28.74" (730mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Foley Corner, in December, snow falls for 13 days, with typically accumulated 4.53" (115mm) of snow. In Foley Corner, during the entire year, snow falls for 68.3 days and aggregates up to 26.65" (677mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:46 pm EST.

Sunshine

In Foley Corner, the average sunshine in December is 3.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 1 in December leads to these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in Foley Corner, records 35.2°F (1.8°C), while the low-temperature is 25.7°F (-3.5°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 Foley Corner, during December, the rain falls for 12 days and regularly aggregates up to 2.13" (54mm) of precipitation.

How much does it snow in December?

In Foley Corner, during December, snow falls for 13 days and regularly aggregates up to 4.53" (115mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

What is the average length of the day in December?

In Foley Corner, the average day length in December is 9h and 14min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:46 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 3.3h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health threat 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
Foley Corner, PA

Average temperature in December - Foley Corner, PA
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in December
Foley Corner, PA

Average pressure in December - Foley Corner, 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
Foley Corner, PA

Average wind speed in December - Foley Corner, PA
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Foley Corner, PA

Average humidity in December - Foley Corner, PA
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in December
Foley Corner, PA

Average rainfall in December - Foley Corner, PA
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is November (1.85").

Average rainfall days in December
Foley Corner, PA

Average rainfall days in December - Foley Corner, PA
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in December
Foley Corner, PA

Average snowfall in December - Foley Corner, PA
  • Average snowfall in December: 4.53"

The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Foley Corner, PA

Average snowfall days in December - Foley Corner, PA
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Foley Corner, PA

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

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 12min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).

Average sunshine days in December
Foley Corner, PA

Average sunshine days in December - Foley Corner, PA
  • Average sunshine days in December: 9.4 days

The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in December
Foley Corner, PA

Average UV index in December - Foley Corner, 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
Foley Corner, PA

Average cloud cover in December - Foley Corner, PA
  • Average cloud cover in December: 67

The months with the most cloud cover are January, February and December (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 39).

Average visibility in December
Foley Corner, PA

Average visibility in December - Foley Corner, 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).

Foley Corner, Pennsylvania, USA

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