December weather forecast
Breakneck, PA

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Weather in December

December, the first month of the winter in Breakneck, is still a cold month, with an average temperature ranging between min 27.9°F (-2.3°C) and max 39.7°F (4.3°C).

Temperature

Breakneck in December undergoes a mild reduction in the average high-temperature, shifting from November's frosty 49.3°F (9.6°C) to a wintry 39.7°F (4.3°C). The average temperature in Breakneck during December nights dips to a subzero cold 27.9°F (-2.3°C).

Humidity

In December, the average relative humidity is 84%.

Rainfall

In Breakneck, in December, it is raining for 9.4 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, in Breakneck, there are 150.7 rainfall days, and 16.65" (423mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Breakneck, in December, snow falls for 11.5 days, with typically accumulated 3.74" (95mm) of snow. Throughout the year, in Breakneck, there are 58.2 snowfall days, and 17.44" (443mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Breakneck.
On the first day of December in Breakneck, sunrise is at 7:21 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:02 pm EST.

Sunshine

In Breakneck, the average sunshine in December is 3.5h.

UV index

January through March, October through 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 threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

Is it cold in Breakneck during December?

In Breakneck, 39.7°F (4.3°C) is the average high-temperature and 27.9°F (-2.3°C) is the average low-temperature during December. In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in December in Breakneck?

In December, the average relative humidity in Breakneck, Pennsylvania, is 84%.

How much does it rain in Breakneck in December?

In Breakneck, during December, the rain falls for 9.4 days and regularly aggregates up to 1.42" (36mm) of precipitation.

How many days does it snow in December in Breakneck?

In Breakneck, in December, snow falls for 11.5 days, with typically accumulated 3.74" (95mm) of snow.

What is the month with the shortest days in Breakneck?

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

How many hours of daylight does Breakneck have in December?

The average day length in December in Breakneck, Pennsylvania, is 9h and 23min.

When is the sunrise / sunset in December in Breakneck?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:53 pm. On the last day of the month, in Breakneck, Pennsylvania, sunrise is at 7:39 am and sunset at 5:02 pm EST.

How long on average sun shines in December in Breakneck?

In Breakneck, Pennsylvania, the average sunshine duration in December is 3.5h.

When is the lowest UV index in Breakneck?

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

How high is the UV index in December in Breakneck?

In Breakneck, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Breakneck, PA

Average temperature in December - Breakneck, PA
  • Average high temperature in December: 39.7°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in December: 27.9°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in December
Breakneck, PA

Average pressure in December - Breakneck, 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
Breakneck, PA

Average wind speed in December - Breakneck, PA
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Breakneck, PA

Average humidity in December - Breakneck, PA
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (77%).

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Average rainfall in December
Breakneck, PA

Average rainfall in December - Breakneck, PA
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (1.97").
The driest months (with the least rainfall) are September and November (0.91").

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Average rainfall days in December
Breakneck, PA

Average rainfall days in December - Breakneck, PA
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (7.9 days).

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Average snowfall in December
Breakneck, PA

Average snowfall in December - Breakneck, PA
  • Average snowfall in December: 3.74"

The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Breakneck, PA

Average snowfall days in December - Breakneck, PA
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is January (15.9 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
Breakneck, PA

Average daylight in December / Average sunshine in December - Breakneck, 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: 3h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in December
Breakneck, PA

Average sunshine days in December - Breakneck, PA
  • Average sunshine days in December: 12.1 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is January (8.6 days).

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Average UV index in December
Breakneck, PA

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

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

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Average cloud cover in December
Breakneck, PA

Average cloud cover in December - Breakneck, PA
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in December
Breakneck, PA

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

The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).

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Breakneck, Pennsylvania, USA

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