December weather forecast
Jersey Mills, PA

englishespañol中文
Share

Weather in December

December, the first month of the winter in Jersey Mills, is also a wintry month, with an average temperature fluctuating between 35.2°F (1.8°C) and 25°F (-3.9°C).

Temperature

With December's arrival, Jersey Mills's weather changes as the average high-temperature falls from a frosty 44.6°F (7°C) in November to a cold 35.2°F (1.8°C). The average low-temperature, in December, in Jersey Mills, is a subzero cold 25°F (-3.9°C).

Humidity

In Jersey Mills, the average relative humidity in December is 85%.

Rainfall

In Jersey Mills, in December, it is raining for 11.3 days, with typically 2.8" (71mm) of accumulated precipitation. In Jersey Mills, during the entire year, the rain falls for 168.8 days and collects up to 32.56" (827mm) of precipitation.

Snowfall

Months with snowfall in Jersey Mills are January through May, October through December. In Jersey Mills, Pennsylvania, in December, during 14.4 snowfall days, 6.3" (160mm) of snow is typically accumulated. In Jersey Mills, during the entire year, snow falls for 71.6 days and aggregates up to 35.47" (901mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Jersey Mills, Pennsylvania.
On the first day of December, sunrise is at 7:16 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:50 pm EST.

Sunshine

January and December, with an average of 3h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Jersey Mills are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 1 during December translates into the following guidance:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

How cold is December in Jersey Mills?

The average high-temperature, in December, in Jersey Mills, is 35.2°F (1.8°C), while the average low-temperature is 25°F (-3.9°C).

What is the average humidity in December in Jersey Mills?

In Jersey Mills, Pennsylvania, the average relative humidity in December is 85%.

How many days does it rain in December in Jersey Mills?

In Jersey Mills, in December, during 11.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

How much does it snow in Jersey Mills in December?

In Jersey Mills, Pennsylvania, in December, during 14.4 snowfall days, 6.3" (160mm) of snow is typically accumulated.

What is the month with the shortest days in Jersey Mills?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Jersey Mills?

The average day length in December in Jersey Mills, Pennsylvania, is 9h and 15min.

When are sunrise and sunset in December in Jersey Mills?

On the first day of December in Jersey Mills, sunrise is at 7:16 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:50 pm EST.

What is the month with the least sunshine in Jersey Mills?

January and December, with an average of 3h of sunshine, are months with the least sunshine in Jersey Mills, Pennsylvania.

How long on average sun shines in December in Jersey Mills?

In December, the average sunshine duration in Jersey Mills is 3h.

What are the months with the lowest UV index in Jersey Mills?

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

What is the UV index reading in December in Jersey Mills?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Jersey Mills, PA

Average temperature in December - Jersey Mills, PA
  • Average high temperature in December: 35.2°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 (29.3°F).

  • Average low temperature in December: 25°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

[Resources]

Average pressure in December
Jersey Mills, PA

Average pressure in December - Jersey Mills, 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).

[Resources]

Average wind speed in December
Jersey Mills, PA

Average wind speed in December - Jersey Mills, PA
  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

[Resources]

Average humidity in December
Jersey Mills, PA

Average humidity in December - Jersey Mills, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (77%).

[Resources]

Average rainfall in December
Jersey Mills, PA

Average rainfall in December - Jersey Mills, PA
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.13").

[Resources]

Average rainfall days in December
Jersey Mills, PA

Average rainfall days in December - Jersey Mills, PA
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.4 days).

[Resources]

Average snowfall in December
Jersey Mills, PA

Average snowfall in December - Jersey Mills, PA
  • Average snowfall in December: 6.3"

The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Jersey Mills, PA

Average snowfall days in December - Jersey Mills, PA
  • Average snowfall days in December: 14.4 days

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Jersey Mills, PA

Average daylight in December / Average sunshine in December - Jersey Mills, 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 0min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).

[Resources]

Average sunshine days in December
Jersey Mills, PA

Average sunshine days in December - Jersey Mills, PA
  • Average sunshine days in December: 10 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.9 days).

[Resources]

Average UV index in December
Jersey Mills, PA

Average UV index in December - Jersey Mills, 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).

[Resources]

Average cloud cover in December
Jersey Mills, PA

Average cloud cover in December - Jersey Mills, PA
  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 41).

[Resources]

Average visibility in December
Jersey Mills, PA

Average visibility in December - Jersey Mills, PA
  • Average visibility in December: 4mi

The months with the highest visibility are March, April, May, June, July and November (5mi).
The months with the lowest visibility are January, February, August, September, October and December (4mi).

[Resources]

Jersey Mills, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location