December weather forecast
Shimerville, PA

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Weather in December

December, the first month of the winter in Shimerville, is also an icy month, with an average temperature ranging between min 28.9°F (-1.7°C) and max 40.3°F (4.6°C).

Temperature

The onset of December brings a small change in high-temperatures, falling from a fresh 50°F (10°C) in November to a wintry 40.3°F (4.6°C). Shimerville's nights in December experience an average temperature drop to a subzero cold 28.9°F (-1.7°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Shimerville, in December, during 10.8 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 156.9 rainfall days, and 33.15" (842mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Shimerville, in December, snow falls for 5.2 days, with typically accumulated 2.87" (73mm) of snow. In Shimerville, during the entire year, snow falls for 31.2 days and aggregates up to 18.98" (482mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine is 4.6h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Shimerville, is 40.3°F (4.6°C), while the low-temperature averages to 28.9°F (-1.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

How much does it rain in December?

In Shimerville, in December, it is raining for 10.8 days, with typically 3.03" (77mm) of accumulated precipitation.

How much does it snow in December?

In Shimerville, in December, snow falls for 5.2 days, with typically accumulated 2.87" (73mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

How many hours of daylight does Shimerville have in December?

In Shimerville, the average day length in December is 9h and 20min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:45 pm EST.

How many hours of sunshine does Shimerville have in December?

The average sunshine duration in December in Shimerville is 4.6h.

When is 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.

How high is the UV index in December?

In Shimerville, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Shimerville, PA

Average temperature in December - Shimerville, PA
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in December
Shimerville, PA

Average pressure in December - Shimerville, 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
Shimerville, PA

Average wind speed in December - Shimerville, PA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
Shimerville, PA

Average humidity in December - Shimerville, PA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Shimerville, PA

Average rainfall in December - Shimerville, PA
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Shimerville, PA

Average rainfall days in December - Shimerville, PA
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in December
Shimerville, PA

Average snowfall in December - Shimerville, PA
  • Average snowfall in December: 2.87"

The month with the highest snowfall is March (5.16").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Shimerville, PA

Average snowfall days in December - Shimerville, PA
  • Average snowfall days in December: 5.2 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Shimerville, 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 18min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in December
Shimerville, PA

Average sunshine days in December - Shimerville, PA
  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in December
Shimerville, PA

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

The months with the highest UV index are June and July (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
Shimerville, PA

Average cloud cover in December - Shimerville, PA
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Shimerville, PA

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

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

Shimerville, Pennsylvania, USA

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