December weather forecast
Atlasburg, PA

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Weather in December

The first month of the winter, December, is still a cold month in Atlasburg, Pennsylvania, with an average temperature fluctuating between 27.9°F (-2.3°C) and 39.4°F (4.1°C).

Temperature

The onset of December introduces a moderate change in Atlasburg's weather, with average high-temperatures falling from November's frosty 48.9°F (9.4°C) to an icy 39.4°F (4.1°C). The low-temperature averages to a freezing cold 27.9°F (-2.3°C) during the nights of December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Atlasburg, in December, it is raining for 12.9 days, with typically 2.95" (75mm) of accumulated precipitation. In Atlasburg, during the entire year, the rain falls for 183.5 days and collects up to 34.37" (873mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Atlasburg, in December, snow falls for 13.2 days, with typically accumulated 4.49" (114mm) of snow. In Atlasburg, Pennsylvania, during the entire year, snow falls for 61.6 days and aggregates up to 23.9" (607mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:55 pm. On the last day of December, in Atlasburg, sunrise is at 7:44 am and sunset at 5:05 pm EST.

Sunshine

In December, the average sunshine is 3.4h.

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 unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

The high-temperature, in December, in Atlasburg, records 39.4°F (4.1°C), while the low-temperature is 27.9°F (-2.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 84%.

How many days does it rain in December?

In Atlasburg, in December, during 12.9 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 13.2 days. Throughout December, 4.49" (114mm) of snow is accumulated.

What is the month with the shortest days in Atlasburg?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In December, the average day length in Atlasburg, Pennsylvania, is 9h and 21min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:25 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:05 pm EST.

How many hours of sunshine does Atlasburg have in December?

The average sunshine duration in December is 3.4h.

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 December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes 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
Atlasburg, PA

Average temperature in December - Atlasburg, PA
  • Average high temperature in December: 39.4°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in December: 27.9°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in December
Atlasburg, PA

Average pressure in December - Atlasburg, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Atlasburg, PA

Average wind speed in December - Atlasburg, PA
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Atlasburg, PA

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

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in December
Atlasburg, PA

Average rainfall in December - Atlasburg, PA
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.28").

Average rainfall days in December
Atlasburg, PA

Average rainfall days in December - Atlasburg, PA
  • Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (10.7 days).

Average snowfall in December
Atlasburg, PA

Average snowfall in December - Atlasburg, PA
  • Average snowfall in December: 4.49"

The month with the highest snowfall is January (6.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Atlasburg, PA

Average snowfall days in December - Atlasburg, PA
  • Average snowfall days in December: 13.2 days

The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Atlasburg, PA

Average daylight in December / Average sunshine in December - Atlasburg, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Atlasburg, PA

Average sunshine days in December - Atlasburg, PA
  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.8 days).

Average UV index in December
Atlasburg, PA

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Atlasburg, PA

Average cloud cover in December - Atlasburg, PA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Atlasburg, PA

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

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).

Atlasburg, Pennsylvania, USA

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