December weather forecast
Oliver, PA

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Weather in December

The first month of the winter, December, is still a cold month in Oliver, Pennsylvania, with an average temperature fluctuating between 39.9°F (4.4°C) and 28.4°F (-2°C).

Temperature

In Oliver, the beginning of December is marked by a lowered average high-temperature, shifting from November's chilly 49.5°F (9.7°C) to an icy 39.9°F (4.4°C). In Oliver, an average temperature of 28.4°F (-2°C) is noted during December nights.

Humidity

In December, the average relative humidity in Oliver is 84%.

Rainfall

In Oliver, during December, the rain falls for 9.5 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Oliver, during the entire year, the rain falls for 168.2 days and collects up to 29.8" (757mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Oliver, during December, snow falls for 6.2 days and regularly aggregates up to 3.07" (78mm) of snow. In Oliver, during the entire year, snow falls for 35.9 days and aggregates up to 16.02" (407mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:04 pm EST.

Sunshine

The average sunshine in December in Oliver is 3.7h.

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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in Oliver?

In December, the average high-temperature and low-temperature in Oliver are 39.9°F (4.4°C) and 28.4°F (-2°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in December in Oliver?

In Oliver, Pennsylvania, the average relative humidity in December is 84%.

How much does it rain in Oliver in December?

In Oliver, Pennsylvania, during December, the rain falls for 9.5 days and regularly aggregates up to 2.17" (55mm) of precipitation.

How much does it snow in Oliver in December?

In Oliver, in December, during 6.2 snowfall days, 3.07" (78mm) of snow is typically accumulated.

What is the month with the shortest days in Oliver?

The month with the shortest days in Oliver is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Oliver have in December?

In December, the average day length in Oliver is 9h and 23min.

When are sunrise and sunset in December in Oliver?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:54 pm. On the last day of the month, in Oliver, Pennsylvania, sunrise is at 7:40 am and sunset at 5:04 pm EST.

How many hours of sunshine does Oliver have in December?

In December, the average sunshine duration in Oliver, Pennsylvania, is 3.7h.

What is the month with the lowest UV index in Oliver?

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 Oliver?

The average daily maximum UV index in December in Oliver, Pennsylvania, is 2. A UV Index of 2, and less, symbolizes 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
Oliver, PA

Average temperature in December - Oliver, PA
  • Average high temperature in December: 39.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in December: 28.4°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in December
Oliver, PA

Average pressure in December - Oliver, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Oliver, PA

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

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in December
Oliver, PA

Average humidity in December - Oliver, PA
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, June, July, August, September and November (78%).

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Average rainfall in December
Oliver, PA

Average rainfall in December - Oliver, PA
  • Average rainfall in December: 2.17"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is November (1.3").

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Average rainfall days in December
Oliver, PA

Average rainfall days in December - Oliver, PA
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in December
Oliver, PA

Average snowfall in December - Oliver, PA
  • Average snowfall in December: 3.07"

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Oliver, PA

Average snowfall days in December - Oliver, PA
  • Average snowfall days in December: 6.2 days

The months with the highest number of snowfall days are January and February (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
Oliver, PA

Average daylight in December / Average sunshine in December - Oliver, 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 24min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in December
Oliver, PA

Average sunshine days in December - Oliver, PA
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (8.9 days).

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Average UV index in December
Oliver, PA

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

The month with the highest UV index is 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
Oliver, PA

Average cloud cover in December - Oliver, PA
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in December
Oliver, PA

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

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

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Oliver, Pennsylvania, USA

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