December weather forecast
Nunnery, PA

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Weather in December

The first month of the winter, December, is still a cold month in Nunnery, Pennsylvania, with an average temperature ranging between max 41.2°F (5.1°C) and min 29.1°F (-1.6°C).

Temperature

Nunnery, Pennsylvania, in December demonstrates a small temperature transition, adjusting from an average high of a cool 50.2°F (10.1°C) in November to a wintry 41.2°F (5.1°C). Nunnery's average low-temperature is measured at a subzero cold 29.1°F (-1.6°C) during December.

Humidity

The average relative humidity in December is 79%.

Rainfall

In Nunnery, in December, during 10.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, in Nunnery, Pennsylvania, there are 158.5 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Nunnery. In Nunnery, during December, snow falls for 6.1 days and regularly aggregates up to 2.99" (76mm) of snow. In Nunnery, during the entire year, snow falls for 33 days and aggregates up to 22.44" (570mm) of snow.

Daylight

The month with the shortest days in Nunnery is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:55 pm EST.

Sunshine

The average sunshine in December is 4.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Nunnery. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Enhance your sun protection with tightly woven, yet airy clothing. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

Is December cold in Nunnery?

In December, the average high-temperature and low-temperature in Nunnery, Pennsylvania, are 41.2°F (5.1°C) and 29.1°F (-1.6°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in December in Nunnery?

In December, the average relative humidity in Nunnery is 79%.

How many days does it rain in December in Nunnery?

In December, in Nunnery, Pennsylvania, the rain falls for 10.5 days. Throughout December, 2.4" (61mm) of precipitation is accumulated.

How many days does it snow in December in Nunnery?

In Nunnery, Pennsylvania, in December, during 6.1 snowfall days, 2.99" (76mm) of snow is typically accumulated.

What is the month with the shortest days in Nunnery?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Nunnery, Pennsylvania.

What is the average length of the day in December in Nunnery?

In Nunnery, Pennsylvania, the average day length in December is 9h and 25min.

When is the sunrise / sunset in December in Nunnery?

On the first day of December, sunrise is at 7:12 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:55 pm EST.

How many hours of sunshine does Nunnery have in December?

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

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

The months with the lowest UV index in Nunnery, Pennsylvania, are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Nunnery?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
Nunnery, PA

Average temperature in December - Nunnery, PA
  • Average high temperature in December: 41.2°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in December
Nunnery, PA

Average pressure in December - Nunnery, 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
Nunnery, PA

Average wind speed in December - Nunnery, PA
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in December
Nunnery, PA

Average humidity in December - Nunnery, PA
  • Average humidity in December: 79%

The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in December
Nunnery, PA

Average rainfall in December - Nunnery, PA
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in December
Nunnery, PA

Average rainfall days in December - Nunnery, PA
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in December
Nunnery, PA

Average snowfall in December - Nunnery, PA
  • Average snowfall in December: 2.99"

The month with the highest snowfall is January (6.81").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Nunnery, PA

Average snowfall days in December - Nunnery, PA
  • Average snowfall days in December: 6.1 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Nunnery, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in December
Nunnery, PA

Average sunshine days in December - Nunnery, PA
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in December
Nunnery, PA

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

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Nunnery, PA

Average cloud cover in December - Nunnery, PA
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in December
Nunnery, PA

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

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

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Nunnery, Pennsylvania, USA

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