December weather forecast
Fernridge, PA

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Weather in December

The first month of the winter, December, is still a cold month in Fernridge, Pennsylvania, with an average temperature fluctuating between 25.5°F (-3.6°C) and 36.3°F (2.4°C).

Temperature

The arrival of December signals a shift in temperature, down from a chilly 45.5°F (7.5°C) in November to a cold 36.3°F (2.4°C). An average low-temperature of 25.5°F (-3.6°C) is recorded in the month of December.

Humidity

The months with the highest humidity in Fernridge are February and December, with an average relative humidity of 84%.

Rainfall

In December, the rain falls for 7.7 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Fernridge, during the entire year, the rain falls for 121.5 days and collects up to 10.51" (267mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 9.1 days. Throughout December, 1.38" (35mm) of snow is accumulated. In Fernridge, during the entire year, snow falls for 47 days and aggregates up to 8.23" (209mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:08 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:43 pm EST.

Sunshine

In December, the average sunshine is 3.9h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 1 during December leads to these advisories:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. To guard against the harmful effects of the Sun, minimize exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

How cold is December in Fernridge?

An average high-temperature, in December, in Fernridge, is 36.3°F (2.4°C) and the average low-temperature is 25.5°F (-3.6°C).

What are the most humid months?

The months with the highest humidity are February and December, with an average relative humidity of 84%.

What is the average humidity in December?

The average relative humidity in December is 84%.

How much does it rain in December?

In Fernridge, in December, during 7.7 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How much does it snow in December?

In Fernridge, during December, snow falls for 9.1 days and regularly aggregates up to 1.38" (35mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In Fernridge, the average day length in December is 9h and 17min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:43 pm EST.

How many hours of sunshine does Fernridge have in December?

In Fernridge, the average sunshine duration in December is 3.9h.

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?

The average daily maximum UV index in December 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
Fernridge, PA

Average temperature in December - Fernridge, PA
  • Average high temperature in December: 36.3°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 25.5°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in December
Fernridge, PA

Average pressure in December - Fernridge, 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
Fernridge, PA

Average wind speed in December - Fernridge, PA
  • Average wind speed in December: 8mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Fernridge, PA

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

The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).

Average rainfall in December
Fernridge, PA

Average rainfall in December - Fernridge, PA
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.51").

Average rainfall days in December
Fernridge, PA

Average rainfall days in December - Fernridge, PA
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in December
Fernridge, PA

Average snowfall in December - Fernridge, PA
  • Average snowfall in December: 1.38"

The months with the highest snowfall are January, February and March (1.73").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Fernridge, PA

Average snowfall days in December - Fernridge, PA
  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Fernridge, 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: 3h and 5min

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 48min).

Average sunshine days in December
Fernridge, PA

Average sunshine days in December - Fernridge, PA
  • Average sunshine days in December: 18 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (12.5 days).

Average UV index in December
Fernridge, PA

Average UV index in December - Fernridge, 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
Fernridge, PA

Average cloud cover in December - Fernridge, PA
  • Average cloud cover in December: 60

The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in December
Fernridge, PA

Average visibility in December - Fernridge, 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).

Fernridge, Pennsylvania, USA

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