December weather forecast
Henryville, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Henryville, Pennsylvania, with an average temperature fluctuating between 37.6°F (3.1°C) and 26.2°F (-3.2°C).

Temperature

As Henryville enters December, the average high-temperature decreases from the a frosty 47.1°F (8.4°C) of November to a cold 37.6°F (3.1°C). In December, the temperature in Henryville drops to an average of 26.2°F (-3.2°C) at night.

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 83%.

Rainfall

In Henryville, in December, it is raining for 11.4 days, with typically 2.72" (69mm) of accumulated precipitation. In Henryville, during the entire year, the rain falls for 166.6 days and collects up to 32.6" (828mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Henryville, during December, snow falls for 7.4 days and regularly aggregates up to 3.46" (88mm) of snow. In Henryville, during the entire year, snow falls for 40.3 days and aggregates up to 20.47" (520mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December in Henryville, sunrise is at 7:07 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:42 pm EST.

Sunshine

In December, the average sunshine is 4.4h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 1 in December translates into these instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

Is it cold in Henryville during December?

The high-temperature, in December, in Henryville, is 37.6°F (3.1°C), while the low-temperature averages to 26.2°F (-3.2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in July is appraised at 87.8°F (31°C).

What is the most humid month in Henryville?

February and December, with an average relative humidity of 83%, are most humid months in Henryville.

What is the average humidity in December in Henryville?

The average relative humidity in December in Henryville is 83%.

How many days does it rain in December in Henryville?

In Henryville, in December, it is raining for 11.4 days, with typically 2.72" (69mm) of accumulated precipitation.

How much does it snow in Henryville in December?

In December, it is snowing for 7.4 days. Throughout December, 3.46" (88mm) of snow is accumulated.

What is the month with the shortest days in Henryville?

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

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

In December, the average day length in Henryville, Pennsylvania, is 9h and 17min.

When are sunrise and sunset in December in Henryville?

On the first day of December, sunrise is at 7:07 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:42 pm EST.

How many hours of sunshine does Henryville have in December?

The average sunshine duration in December in Henryville, Pennsylvania, is 4.4h.

When is the lowest UV index in Henryville?

December is the month with the lowest UV index, with an average maximum UV index of 1.

How high is the UV index in December in Henryville?

In December, the average daily maximum UV index in Henryville is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Henryville, PA

Average temperature in December - Henryville, PA
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 26.2°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 (19.4°F).

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Average pressure in December
Henryville, PA

Average pressure in December - Henryville, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Henryville, PA

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

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in December
Henryville, PA

Average humidity in December - Henryville, PA
  • Average humidity in December: 83%

The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).

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Average rainfall in December
Henryville, PA

Average rainfall in December - Henryville, PA
  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in December
Henryville, PA

Average rainfall days in December - Henryville, PA
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in December
Henryville, PA

Average snowfall in December - Henryville, PA
  • Average snowfall in December: 3.46"

The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Henryville, PA

Average snowfall days in December - Henryville, PA
  • Average snowfall days in December: 7.4 days

The month with the highest number of snowfall days is January (10.3 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
Henryville, PA

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in December
Henryville, PA

Average sunshine days in December - Henryville, PA
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (9.6 days).

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Average UV index in December
Henryville, PA

Average UV index in December - Henryville, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Henryville, PA

Average cloud cover in December - Henryville, PA
  • Average cloud cover in December: 54

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in December
Henryville, PA

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

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

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Henryville, Pennsylvania, USA

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