December weather forecast
Shortsville, PA

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Weather in December

December, the first month of the winter in Shortsville, is still a cold month, with temperature in the range of an average high of 34.7°F (1.5°C) and an average low of 24.4°F (-4.2°C).

Temperature

In Shortsville, entering December brings a temperature decrement, reducing from November's frosty 44.1°F (6.7°C) to an icy 34.7°F (1.5°C). During December, Shortsville's temperature falls to a steady low-temperature average of 24.4°F (-4.2°C).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Shortsville, Pennsylvania, in December, during 7.2 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 125.8 rainfall days, and 15.71" (399mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Shortsville, during December, snow falls for 7.5 days and regularly aggregates up to 2.13" (54mm) of snow. Throughout the year, there are 43.8 snowfall days, and 13.39" (340mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:18 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:48 pm EST.

Sunshine

The months with the least sunshine are January and December, with an average of 3.1h of sunshine.

UV index

January and December, with an average maximum UV index of 1, 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 the ordinary person.
Note: In December, the maximum UV index of 1 suggests these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature during December is 34.7°F (1.5°C) and the low-temperature is 24.4°F (-4.2°C).

What is the average humidity in December?

In December, the average relative humidity is 85%.

How many days does it rain in December?

In December, the rain falls for 7.2 days. Throughout December, 1.1" (28mm) of precipitation is accumulated.

How many days does it snow in December in Shortsville?

In Shortsville, in December, snow falls for 7.5 days, with typically accumulated 2.13" (54mm) of snow.

What is the month with the shortest days?

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?

The average day length in December is 9h and 11min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:18 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:48 pm EST.

What is the month with the least sunshine?

The months with the least sunshine are January and December, with an average of 3.1h of sunshine.

How many hours of sunshine does Shortsville have in December?

In December, the average sunshine duration is 3.1h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Shortsville, PA

Average temperature in December - Shortsville, PA
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Shortsville, PA

Average pressure in December - Shortsville, 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
Shortsville, PA

Average wind speed in December - Shortsville, PA
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Shortsville, PA

Average humidity in December - Shortsville, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in December
Shortsville, PA

Average rainfall in December - Shortsville, PA
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is April (1.69").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in December
Shortsville, PA

Average rainfall days in December - Shortsville, PA
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in December
Shortsville, PA

Average snowfall in December - Shortsville, PA
  • Average snowfall in December: 2.13"

The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Shortsville, PA

Average snowfall days in December - Shortsville, PA
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Shortsville, PA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).

Average sunshine days in December
Shortsville, PA

Average sunshine days in December - Shortsville, PA
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (12.5 days).

Average UV index in December
Shortsville, PA

Average UV index in December - Shortsville, 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).

Average cloud cover in December
Shortsville, PA

Average cloud cover in December - Shortsville, PA
  • Average cloud cover in December: 69

The months with the most cloud cover are January, February and December (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in December
Shortsville, PA

Average visibility in December - Shortsville, PA
  • Average visibility in December: 5mi

The month with the highest visibility is April (6mi).
The month with the lowest visibility is September (4mi).

Shortsville, Pennsylvania, USA

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