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 temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 25.5°F (-3.6°C).

Temperature

December brings a minor decrease, with the average high-temperature reducing from a frosty 45.9°F (7.7°C) in November to an icy 36.5°F (2.5°C). South Heberton observes an average nighttime low-temperature of 25.5°F (-3.6°C) during the month of December.

Humidity

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

Rainfall

In South Heberton, during December, the rain falls for 11 days and regularly aggregates up to 2.95" (75mm) of precipitation. In South Heberton, during the entire year, the rain falls for 163.6 days and collects up to 35" (889mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In South Heberton, in December, during 10.7 snowfall days, 5.87" (149mm) of snow is typically accumulated. In South Heberton, during the entire year, snow falls for 60.9 days and aggregates up to 38.9" (988mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
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.

Sunshine

In December, the average sunshine is 3.8h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

During December, South Heberton experiences an average high-temperature of 36.5°F (2.5°C) and a low-temperature of 25.5°F (-3.6°C).

What are the most humid months?

February and December, with an average relative humidity of 84%, are most humid months.

What is the average humidity in December?

The average relative humidity in December is 84%.

How many days does it rain in December?

In December, the rain falls for 11 days. Throughout December, 2.95" (75mm) of precipitation is accumulated.

How many days does it snow in December?

In South Heberton, in December, during 10.7 snowfall days, 5.87" (149mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

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

The average day length in December is 9h and 17min.

When is the sunrise / sunset in December?

In December, on the first day of the month, 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 December, the average sunshine duration is 3.8h.

What is the month with the lowest UV index?

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

What is the UV index reading 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 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

South Heberton, Pennsylvania, USA

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