December weather forecast
Audubon, PA

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Weather in December

December, the first month of the winter in Audubon, is still a cold month, with an average temperature fluctuating between 42.3°F (5.7°C) and 30.9°F (-0.6°C).

Temperature

The onset of December results in a small decrease in the average high-temperature, moderately receding from a fresh 51.1°F (10.6°C) in November to an icy 42.3°F (5.7°C). Audubon experiences a steady low-temperature of 30.9°F (-0.6°C) throughout December.

Humidity

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

Rainfall

In Audubon, during December, the rain falls for 7.9 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, there are 132.3 rainfall days, and 13.98" (355mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Audubon, during December, snow falls for 2.5 days and regularly aggregates up to 0.51" (13mm) of snow. In Audubon, Pennsylvania, during the entire year, snow falls for 15.1 days and aggregates up to 2.2" (56mm) 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 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 4:46 pm EST.

Sunshine

In Audubon, the average sunshine in December is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 2 in December leads to these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

In Audubon, in December, the average high-temperature is 42.3°F (5.7°C), and the average low-temperature is 30.9°F (-0.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 79%.

How many days does it rain in December?

In Audubon, in December, it is raining for 7.9 days, with typically 0.98" (25mm) of accumulated precipitation.

How many days does it snow in December?

In Audubon, during December, snow falls for 2.5 days and regularly aggregates up to 0.51" (13mm) of snow.

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.

What is the average length of the day in December in Audubon?

The average day length in December is 9h and 22min.

When is the sunrise / sunset in December?

On the first day of December in Audubon, 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 4:46 pm EST.

How many hours of sunshine does Audubon have in December?

In December, the average sunshine duration is 4.8h.

What is the month 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 intensity in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Audubon, PA

Average temperature in December - Audubon, PA
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in December
Audubon, PA

Average pressure in December - Audubon, 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
Audubon, PA

Average wind speed in December - Audubon, PA
  • Average wind speed in December: 7.7mph

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
Audubon, PA

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

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in December
Audubon, PA

Average rainfall in December - Audubon, PA
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in December
Audubon, PA

Average rainfall days in December - Audubon, PA
  • Average rainfall days in December: 7.9 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in December
Audubon, PA

Average snowfall in December - Audubon, PA
  • Average snowfall in December: 0.51"

The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Audubon, PA

Average snowfall days in December - Audubon, PA
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Audubon, 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: 4h and 5min

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 36min).

Average sunshine days in December
Audubon, PA

Average sunshine days in December - Audubon, PA
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in December
Audubon, PA

Average UV index in December - Audubon, 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
Audubon, PA

Average cloud cover in December - Audubon, PA
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Audubon, PA

Average visibility in December - Audubon, 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).

Audubon, Pennsylvania, USA

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