December weather forecast
Little Oley, PA

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Weather in December

December, the first month of the winter in Little Oley, is also a wintry month, with an average temperature ranging between max 41.5°F (5.3°C) and min 30.2°F (-1°C).

Temperature

The onset of December comes with a shift in the average high-temperature, falling from a cool 50.7°F (10.4°C) in November to a cold 41.5°F (5.3°C). Little Oley sees an average low-temperature of 30.2°F (-1°C) during December.

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Little Oley, during December, the rain falls for 9.5 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 146.5 rainfall days, and 27.87" (708mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Little Oley are January through April, November and December. In Little Oley, Pennsylvania, in December, snow falls for 2.7 days, with typically accumulated 1.89" (48mm) of snow. Throughout the year, there are 19.1 snowfall days, and 11.54" (293mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Little Oley.
On the first day of December in Little Oley, sunrise is at 7:06 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:46 pm EST.

Sunshine

In Little Oley, the average sunshine in December is 4.9h.

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 exposure to the Sun's UV rays for the ordinary person.
Note: In December, the UV index of 2 transforms into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

How cold is December in Little Oley?

An average high-temperature, in December, in Little Oley, is 41.5°F (5.3°C) and the average low-temperature is 30.2°F (-1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 87.8°F (31°C).

What is the average humidity in December in Little Oley?

The average relative humidity in December is 79%.

How many days does it rain in December in Little Oley?

In Little Oley, in December, during 9.5 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

How much does it snow in Little Oley in December?

In Little Oley, Pennsylvania, in December, during 2.7 snowfall days, 1.89" (48mm) of snow is typically accumulated.

What is the month with the shortest days in Little Oley?

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

How many hours of daylight does Little Oley have in December?

In December, the average day length is 9h and 22min.

When are sunrise and sunset in December in Little Oley?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:37 pm. On the last day of the month, in Little Oley, sunrise is at 7:25 am and sunset at 4:46 pm EST.

How many hours of sunshine does Little Oley have in December?

In Little Oley, Pennsylvania, the average sunshine duration in December is 4.9h.

What is the month with the lowest UV index in Little Oley?

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

What is the UV index intensity in December in Little Oley?

In December, the average daily maximum UV index 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
Little Oley, PA

Average temperature in December - Little Oley, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in December
Little Oley, PA

Average pressure in December - Little Oley, PA
  • Average pressure in December: 30.1"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
Little Oley, PA

Average wind speed in December - Little Oley, 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 (5mph).

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Average humidity in December
Little Oley, PA

Average humidity in December - Little Oley, PA
  • Average humidity in December: 79%

The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in December
Little Oley, PA

Average rainfall in December - Little Oley, PA
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in December
Little Oley, PA

Average rainfall days in December - Little Oley, PA
  • Average rainfall days in December: 9.5 days

The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in December
Little Oley, PA

Average snowfall in December - Little Oley, PA
  • Average snowfall in December: 1.89"

The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Little Oley, PA

Average snowfall days in December - Little Oley, PA
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Little Oley, PA

Average daylight in December / Average sunshine in December - Little Oley, 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Little Oley, PA

Average sunshine days in December - Little Oley, PA
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in December
Little Oley, PA

Average UV index in December - Little Oley, PA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (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
Little Oley, PA

Average cloud cover in December - Little Oley, PA
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in December
Little Oley, PA

Average visibility in December - Little Oley, PA
  • Average visibility in December: 6mi

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

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Little Oley, Pennsylvania, USA

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