December weather forecast
Oreland, PA

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Weather in December

The first month of the winter, December, is also a frosty month in Oreland, Pennsylvania, with an average temperature ranging between max 42.8°F (6°C) and min 31.6°F (-0.2°C).

Temperature

During Oreland's transition into December, the average high-temperature lessens, moving from a cool 52.2°F (11.2°C) in November to a chilly 42.8°F (6°C). Oreland, during the nights of December, experiences an average temperature drop to a subzero cold 31.6°F (-0.2°C).

Humidity

The months with the highest humidity are February, October and December, with an average relative humidity of 78%.

Rainfall

In Oreland, in December, during 7.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Oreland, during the entire year, the rain falls for 122.4 days and collects up to 12.68" (322mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Oreland, in December, during 2.5 snowfall days, 0.71" (18mm) of snow is typically accumulated. Throughout the year, there are 16.3 snowfall days, and 4.72" (120mm) of snow is accumulated.

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 7:04 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine is 5h.

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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

How cold is it in December?

In December, in Oreland, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 31.6°F (-0.2°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 89.6°F (32°C).

What are the most humid months?

The months with the highest humidity are February, October and December, with an average relative humidity of 78%.

What is the average humidity in December?

In December, the average relative humidity in Oreland is 78%.

How much does it rain in December?

In December, the rain falls for 7.5 days. Throughout December, 1.14" (29mm) of precipitation is accumulated.

How many days does it snow in December?

In Oreland, in December, during 2.5 snowfall days, 0.71" (18mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year in Oreland, with an average of 9h and 24min of daylight.

How many hours of daylight does Oreland have in December?

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

When is the sunrise / sunset in December in Oreland?

On the first day of December, sunrise is at 7:04 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:45 pm EST.

How many hours of sunshine does Oreland have in December?

The average sunshine duration in December is 5h.

What are the months with 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.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes 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
Oreland, PA

Average temperature in December - Oreland, PA
  • Average high temperature in December: 42.8°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 31.6°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in December
Oreland, PA

Average pressure in December - Oreland, 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
Oreland, PA

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

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Oreland, PA

Average humidity in December - Oreland, PA
  • Average humidity in December: 78%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in December
Oreland, PA

Average rainfall in December - Oreland, PA
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in December
Oreland, PA

Average rainfall days in December - Oreland, PA
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).

Average snowfall in December
Oreland, PA

Average snowfall in December - Oreland, PA
  • Average snowfall in December: 0.71"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Oreland, PA

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

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Oreland, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Oreland, PA

Average sunshine days in December - Oreland, PA
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).

Average UV index in December
Oreland, PA

Average UV index in December - Oreland, 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).

Average cloud cover in December
Oreland, PA

Average cloud cover in December - Oreland, PA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Oreland, PA

Average visibility in December - Oreland, 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).

Oreland, Pennsylvania, USA

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