December weather forecast
Concordville, PA

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Weather in December

December, the first month of the winter in Concordville, is also a frosty month, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 32.5°F (0.3°C).

Temperature

In December, the average high-temperature marginally decreases from a cool 52.2°F (11.2°C) in November to a frosty 43.5°F (6.4°C). Throughout the month of December, Concordville sees a steady low-temperature average of 32.5°F (0.3°C).

Humidity

The average relative humidity in December is 77%.

Rainfall

In Concordville, Pennsylvania, in December, it is raining for 11.1 days, with typically 3.31" (84mm) of accumulated precipitation. In Concordville, during the entire year, the rain falls for 166.6 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

Months with snowfall in Concordville, Pennsylvania, are January through May, October through December. In Concordville, during December, snow falls for 3.4 days and regularly aggregates up to 1.61" (41mm) of snow. In Concordville, during the entire year, snow falls for 22 days and aggregates up to 11.81" (300mm) of snow.

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 4:37 pm. On the last day of December, in Concordville, sunrise is at 7:23 am and sunset at 4:47 pm EST.

Sunshine

The average sunshine in December is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

During December, Concordville experiences an average high-temperature of 43.5°F (6.4°C) and a low-temperature of 32.5°F (0.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December?

In Concordville, the average relative humidity in December is 77%.

How many days does it rain in December in Concordville?

In Concordville, Pennsylvania, in December, during 11.1 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 3.4 days. Throughout December, 1.61" (41mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Concordville have in December?

In December, the average day length is 9h and 24min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:47 pm EST.

How many hours of sunshine does Concordville have in December?

In Concordville, the average sunshine duration in December is 5h.

What are the months with the lowest UV index in Concordville?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe 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
Concordville, PA

Average temperature in December - Concordville, PA
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 32.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in December
Concordville, PA

Average pressure in December - Concordville, PA
  • Average pressure in December: 30.1"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
Concordville, PA

Average wind speed in December - Concordville, 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 (5.4mph).

Average humidity in December
Concordville, PA

Average humidity in December - Concordville, PA
  • Average humidity in December: 77%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in December
Concordville, PA

Average rainfall in December - Concordville, PA
  • Average rainfall in December: 3.31"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

Average rainfall days in December
Concordville, PA

Average rainfall days in December - Concordville, PA
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in December
Concordville, PA

Average snowfall in December - Concordville, PA
  • Average snowfall in December: 1.61"

The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Concordville, PA

Average snowfall days in December - Concordville, PA
  • Average snowfall days in December: 3.4 days

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Concordville, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Concordville, PA

Average sunshine days in December - Concordville, PA
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (10 days).

Average UV index in December
Concordville, PA

Average UV index in December - Concordville, 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, November and December (UV index 2).

Average cloud cover in December
Concordville, PA

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

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Concordville, PA

Average visibility in December - Concordville, 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).

Concordville, Pennsylvania, USA

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