December weather forecast
Cedars, PA

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Weather in December

December, the first month of the winter in Cedars, is also a wintry month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 42.1°F (5.6°C).

Temperature

In Cedars, the beginning of December is marked by a lowered average high-temperature, shifting from November's cool 51.3°F (10.7°C) to a wintry 42.1°F (5.6°C). Cedars in December anticipates an average nighttime temperature of 30.7°F (-0.7°C).

Humidity

The months with the highest humidity are February, October and December, with an average relative humidity of 79%.

Rainfall

In December, the rain falls for 7.3 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Cedars, during the entire year, the rain falls for 116.6 days and collects up to 10.63" (270mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In December, it is snowing for 1.8 days. Throughout December, 0.43" (11mm) of snow is accumulated. Throughout the year, there are 14.8 snowfall days, and 3.5" (89mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:45 pm EST.

Sunshine

In Cedars, the average sunshine in December is 5h.

UV index

The months with the lowest UV index in Cedars are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 suggests this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

An average high-temperature, in December, in Cedars, is 42.1°F (5.6°C) and the average low-temperature is 30.7°F (-0.7°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What are the most humid months in Cedars?

The months with the highest humidity are February, October and December, with an average relative humidity of 79%.

What is the average humidity in December?

In Cedars, the average relative humidity in December is 79%.

How many days does it rain in December in Cedars?

In December, the rain falls for 7.3 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

How many days does it snow in December?

In Cedars, during December, snow falls for 1.8 days and regularly aggregates up to 0.43" (11mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Cedars have in December?

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

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:45 pm EST.

How many hours of sunshine does Cedars have in December?

The average sunshine duration in December is 5h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

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

Average temperature in December - Cedars, PA
  • Average high temperature in December: 42.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in December
Cedars, PA

Average pressure in December - Cedars, 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
Cedars, PA

Average wind speed in December - Cedars, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Cedars, PA

Average humidity in December - Cedars, PA
  • Average humidity in December: 79%

The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).

Average rainfall in December
Cedars, PA

Average rainfall in December - Cedars, PA
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").

Average rainfall days in December
Cedars, PA

Average rainfall days in December - Cedars, PA
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).

Average snowfall in December
Cedars, PA

Average snowfall in December - Cedars, PA
  • Average snowfall in December: 0.43"

The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Cedars, PA

Average snowfall days in December - Cedars, PA
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Cedars, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Cedars, PA

Average sunshine days in December - Cedars, PA
  • Average sunshine days in December: 21.7 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in December
Cedars, PA

Average UV index in December - Cedars, PA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (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
Cedars, PA

Average cloud cover in December - Cedars, PA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Cedars, PA

Average visibility in December - Cedars, PA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Cedars, Pennsylvania, USA

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