December weather forecast
Oreville, PA

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Weather in December

December, the first month of the winter in Oreville, is still a cold month, with an average temperature fluctuating between 40.3°F (4.6°C) and 28.9°F (-1.7°C).

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from a fresh 50°F (10°C) in November to an icy 40.3°F (4.6°C). December nights observe an average temperature dip to a subzero cold 28.9°F (-1.7°C).

Humidity

In Oreville, the average relative humidity in December is 80%.

Rainfall

In Oreville, in December, during 11.2 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, in Oreville, there are 155.8 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Oreville, Pennsylvania, in December, snow falls for 5 days, with typically accumulated 2.36" (60mm) of snow. In Oreville, during the entire year, snow falls for 29.4 days and aggregates up to 15.87" (403mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:36 pm. On the last day of December, in Oreville, sunrise is at 7:26 am and sunset at 4:46 pm EST.

Sunshine

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

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 hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 in December translates into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

Is it cold in Oreville during December?

An average high-temperature, in December, in Oreville, is 40.3°F (4.6°C) and the average low-temperature is 28.9°F (-1.7°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the average humidity in December in Oreville?

In Oreville, Pennsylvania, the average relative humidity in December is 80%.

How much does it rain in Oreville in December?

In Oreville, Pennsylvania, in December, it is raining for 11.2 days, with typically 2.68" (68mm) of accumulated precipitation.

How many days does it snow in December in Oreville?

In Oreville, in December, during 5 snowfall days, 2.36" (60mm) of snow is typically accumulated.

What is the month with the shortest days in Oreville?

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

How many hours of daylight does Oreville have in December?

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

When is the sunrise / sunset in December in Oreville?

On the first day of December, sunrise is at 7:07 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:46 pm EST.

How long on average sun shines in December in Oreville?

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

What are the months with the lowest UV index in Oreville?

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 reading in December in Oreville?

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

Average temperature in December - Oreville, PA
  • Average high temperature in December: 40.3°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 (34.3°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).

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Average pressure in December
Oreville, PA

Average pressure in December - Oreville, 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).

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Average wind speed in December
Oreville, PA

Average wind speed in December - Oreville, 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).

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Average humidity in December
Oreville, PA

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

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

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Average rainfall in December
Oreville, PA

Average rainfall in December - Oreville, PA
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in December
Oreville, PA

Average rainfall days in December - Oreville, PA
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in December
Oreville, PA

Average snowfall in December - Oreville, PA
  • Average snowfall in December: 2.36"

The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Oreville, PA

Average snowfall days in December - Oreville, PA
  • Average snowfall days in December: 5 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Oreville, 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).

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Average sunshine days in December
Oreville, PA

Average sunshine days in December - Oreville, PA
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in December
Oreville, PA

Average UV index in December - Oreville, 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).

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Average cloud cover in December
Oreville, PA

Average cloud cover in December - Oreville, 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).

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Average visibility in December
Oreville, PA

Average visibility in December - Oreville, 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).

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Oreville, Pennsylvania, USA

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