December weather forecast
Scherersville, PA

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Weather in December

December, the first month of the winter in Scherersville, is also an icy month, with an average temperature ranging between max 40.1°F (4.5°C) and min 28.9°F (-1.7°C).

Temperature

The arrival of December signals a shift in temperature, down from a frosty 49.8°F (9.9°C) in November to a wintry 40.1°F (4.5°C). Throughout December, an average low-temperature of 28.9°F (-1.7°C) is experienced.

Humidity

In Scherersville, the average relative humidity in December is 81%.

Rainfall

In Scherersville, in December, during 9.2 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Scherersville, during the entire year, the rain falls for 145.1 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 2.5 days. Throughout December, 2.28" (58mm) of snow is accumulated. Throughout the year, there are 20.4 snowfall days, and 13.82" (351mm) of snow is accumulated.

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 7:07 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:45 pm EST.

Sunshine

In Scherersville, the average sunshine in December is 4.7h.

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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Frequently asked questions

How cold does it get in December?

An average high-temperature, in December, in Scherersville, is 40.1°F (4.5°C) and the average low-temperature is 28.9°F (-1.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 86°F (30°C).

What is the average humidity in December?

In Scherersville, the average relative humidity in December is 81%.

How many days does it rain in December?

In Scherersville, in December, during 9.2 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Scherersville, in December, snow falls for 2.5 days, with typically accumulated 2.28" (58mm) 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.

What is the average length of the day in December?

In Scherersville, the average day length in December is 9h and 19min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:45 pm EST.

How long on average sun shines in December?

In Scherersville, Pennsylvania, the average sunshine duration in December is 4.7h.

What are the months with the lowest UV index?

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

What is the UV index reading in December in Scherersville?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from 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
Scherersville, PA

Average temperature in December - Scherersville, PA
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in December
Scherersville, PA

Average pressure in December - Scherersville, 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
Scherersville, PA

Average wind speed in December - Scherersville, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Scherersville, PA

Average humidity in December - Scherersville, PA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in December
Scherersville, PA

Average rainfall in December - Scherersville, PA
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in December
Scherersville, PA

Average rainfall days in December - Scherersville, PA
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in December
Scherersville, PA

Average snowfall in December - Scherersville, PA
  • Average snowfall in December: 2.28"

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Scherersville, PA

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

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Scherersville, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in December
Scherersville, PA

Average sunshine days in December - Scherersville, PA
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in December
Scherersville, PA

Average UV index in December - Scherersville, 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
Scherersville, PA

Average cloud cover in December - Scherersville, 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 34).

Average visibility in December
Scherersville, PA

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

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

Scherersville, Pennsylvania, USA

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