December weather forecast
Hollo, PA

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Weather in December

The first month of the winter, December, is still a cold month in Hollo, Pennsylvania, with an average temperature fluctuating between 40.1°F (4.5°C) and 28.9°F (-1.7°C).

Temperature

December's arrival correlates with a reduction in the average high-temperature, down from a frosty 49.8°F (9.9°C) in November to an icy 40.1°F (4.5°C). Hollo anticipates an average minimum temperature of 28.9°F (-1.7°C) in the month of December.

Humidity

The months with the highest humidity are February, October and December, with an average relative humidity of 81%.

Rainfall

In December, in Hollo, the rain falls for 10.1 days. Throughout December, 2.87" (73mm) of precipitation is accumulated. In Hollo, during the entire year, the rain falls for 156.5 days and collects up to 31.97" (812mm) of precipitation.

Snowfall

Months with snowfall in Hollo are January through May, October through December. In Hollo, in December, during 4.4 snowfall days, 2.2" (56mm) of snow is typically accumulated. In Hollo, during the entire year, snow falls for 23.7 days and aggregates up to 13.39" (340mm) of snow.

Daylight

December has the shortest days of the year in Hollo, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:43 pm EST.

Sunshine

In Hollo, the average sunshine in December is 4.8h.

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 low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, an average UV index of 2 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

Is it cold in Hollo during December?

Hollo in December has an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 28.9°F (-1.7°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is appraised at 86°F (30°C).

What are the most humid months in Hollo?

The months with the highest humidity in Hollo, Pennsylvania, are February, October and December, with an average relative humidity of 81%.

What is the average humidity in December in Hollo?

In December, the average relative humidity in Hollo is 81%.

How much does it rain in Hollo in December?

In December, in Hollo, the rain falls for 10.1 days. Throughout December, 2.87" (73mm) of precipitation is accumulated.

How much does it snow in Hollo in December?

In Hollo, Pennsylvania, during December, snow falls for 4.4 days and regularly aggregates up to 2.2" (56mm) of snow.

What is the month with the shortest days in Hollo?

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

How many hours of daylight does Hollo have in December?

In December, the average day length in Hollo is 9h and 19min.

What time are sunrise and sunset in December in Hollo?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of the month, in Hollo, sunrise is at 7:25 am and sunset at 4:43 pm EST.

How many hours of sunshine does Hollo have in December?

In Hollo, Pennsylvania, the average sunshine duration in December is 4.8h.

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

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

How high is the UV index in December in Hollo?

In December, the average daily maximum UV index is 2. A UV Index value 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
Hollo, PA

Average temperature in December - Hollo, PA
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in December
Hollo, PA

Average pressure in December - Hollo, 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
Hollo, PA

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

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
Hollo, PA

Average humidity in December - Hollo, PA
  • Average humidity in December: 81%

The months with the highest relative humidity are February, October and December (81%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in December
Hollo, PA

Average rainfall in December - Hollo, PA
  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in December
Hollo, PA

Average rainfall days in December - Hollo, PA
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in December
Hollo, PA

Average snowfall in December - Hollo, PA
  • Average snowfall in December: 2.2"

The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Hollo, PA

Average snowfall days in December - Hollo, PA
  • Average snowfall days in December: 4.4 days

The month with the highest number of snowfall days is February (6.8 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
Hollo, PA

Average daylight in December / Average sunshine in December - Hollo, 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 5min

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 30min).

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Average sunshine days in December
Hollo, PA

Average sunshine days in December - Hollo, PA
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in December
Hollo, PA

Average UV index in December - Hollo, 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
Hollo, PA

Average cloud cover in December - Hollo, PA
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in December
Hollo, PA

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

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

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Hollo, Pennsylvania, USA

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