December weather forecast
South Heberton, PA

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Weather in December

December, the first month of the winter in South Heberton, is also an icy month, with an average temperature varying between 25.5°F (-3.6°C) and 36.5°F (2.5°C).

Temperature

Start of December brings a shift in the average high-temperature, falling from November's chilly 45.9°F (7.7°C) to a cold 36.5°F (2.5°C). During the nights in December, South Heberton observes an average low-temperature of 25.5°F (-3.6°C).

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 84%.

Rainfall

In South Heberton, in December, it is raining for 11 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, in South Heberton, there are 163.6 rainfall days, and 35" (889mm) of precipitation is accumulated.

Snowfall

Months with snowfall in South Heberton are January through May, October through December. In South Heberton, in December, snow falls for 10.7 days, with typically accumulated 5.87" (149mm) of snow. In South Heberton, during the entire year, snow falls for 60.9 days and aggregates up to 38.9" (988mm) 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 the month, sunrise is at 7:09 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:45 pm EST.

Sunshine

The average sunshine in December is 3.8h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 1 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. To protect against the Sun's most potent rays, avoid direct exposure around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

How cold is December in South Heberton?

South Heberton in December has an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 25.5°F (-3.6°C).

What is the most humid month in South Heberton?

The months with the highest humidity in South Heberton are February and December, with an average relative humidity of 84%.

What is the average humidity in December in South Heberton?

The average relative humidity in December is 84%.

How much does it rain in South Heberton in December?

In South Heberton, in December, during 11 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

How much does it snow in South Heberton in December?

In December, in South Heberton, it is snowing for 10.7 days. Throughout December, 5.87" (149mm) of snow is accumulated.

What is the month with the shortest days in South Heberton?

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

How many hours of daylight does South Heberton have in December?

In December, the average day length in South Heberton is 9h and 17min.

When are sunrise and sunset in December in South Heberton?

On the first day of December, sunrise is at 7:09 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:45 pm EST.

How long on average sun shines in December in South Heberton?

In December, the average sunshine duration in South Heberton, Pennsylvania, is 3.8h.

What is the month with the lowest UV index in South Heberton?

With an average maximum UV index of 1, December is the month with the lowest UV index in South Heberton.

What is the UV index intensity in December in South Heberton?

The average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health threat 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
South Heberton, PA

Average temperature in December - South Heberton, PA
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 25.5°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in December
South Heberton, PA

Average pressure in December - South Heberton, 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
South Heberton, PA

Average wind speed in December - South Heberton, PA
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
South Heberton, PA

Average humidity in December - South Heberton, PA
  • Average humidity in December: 84%

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (78%).

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Average rainfall in December
South Heberton, PA

Average rainfall in December - South Heberton, PA
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days in December
South Heberton, PA

Average rainfall days in December - South Heberton, PA
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7 days).

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Average snowfall in December
South Heberton, PA

Average snowfall in December - South Heberton, PA
  • Average snowfall in December: 5.87"

The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
South Heberton, PA

Average snowfall days in December - South Heberton, PA
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is January (14.8 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
South Heberton, PA

Average daylight in December / Average sunshine in December - South Heberton, 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in December
South Heberton, PA

Average sunshine days in December - South Heberton, PA
  • Average sunshine days in December: 13.2 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (9.2 days).

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Average UV index in December
South Heberton, PA

Average UV index in December - South Heberton, 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
South Heberton, PA

Average cloud cover in December - South Heberton, PA
  • Average cloud cover in December: 61

The months with the most cloud cover are February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in December
South Heberton, PA

Average visibility in December - South Heberton, 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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South Heberton, Pennsylvania, USA

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