December weather forecast
Glenburn, PA

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Weather in December

The first month of the winter, December, is still a cold month in Glenburn, Pennsylvania, with temperature in the range of an average high of 35.6°F (2°C) and an average low of 25.7°F (-3.5°C).

Temperature

As December arrives, Glenburn's weather displays a decrease in high-temperatures, transitioning from November's chilly 45.5°F (7.5°C) to a wintry 35.6°F (2°C). During December, Glenburn experiences an average low-temperature of 25.7°F (-3.5°C) at night.

Humidity

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

Rainfall

In December, the rain falls for 11.7 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. In Glenburn, during the entire year, the rain falls for 165.6 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Glenburn, in December, during 13.4 snowfall days, 5.94" (151mm) of snow is typically accumulated. In Glenburn, Pennsylvania, during the entire year, snow falls for 67.9 days and aggregates up to 33.62" (854mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:33 pm. On the last day of December, in Glenburn, sunrise is at 7:29 am and sunset at 4:43 pm EST.

Sunshine

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

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 low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

How cold is it in Glenburn in December?

Glenburn in December has an average high-temperature of 35.6°F (2°C) and an average low-temperature of 25.7°F (-3.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in July is appraised at 84.2°F (29°C).

What is the average humidity in December in Glenburn?

The average relative humidity in December is 84%.

How many days does it rain in December in Glenburn?

In December, in Glenburn, Pennsylvania, the rain falls for 11.7 days. Throughout December, 2.32" (59mm) of precipitation is accumulated.

How many days does it snow in December in Glenburn?

In December, it is snowing for 13.4 days. Throughout December, 5.94" (151mm) of snow is accumulated.

What is the month with the shortest days in Glenburn?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

How many hours of daylight does Glenburn have in December?

The average day length in December in Glenburn, Pennsylvania, is 9h and 14min.

When is the sunrise / sunset in December in Glenburn?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:33 pm. On the last day of the month, in Glenburn, Pennsylvania, sunrise is at 7:29 am and sunset at 4:43 pm EST.

How long on average sun shines in December in Glenburn?

The average sunshine duration in December in Glenburn is 3.5h.

What is the month with the lowest UV index in Glenburn?

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

What is the UV index reading in December in Glenburn?

In Glenburn, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat 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
Glenburn, PA

Average temperature in December - Glenburn, PA
  • Average high temperature in December: 35.6°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in December
Glenburn, PA

Average pressure in December - Glenburn, 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
Glenburn, PA

Average wind speed in December - Glenburn, PA
  • Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are January, February, March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Glenburn, PA

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

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).

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Average rainfall in December
Glenburn, PA

Average rainfall in December - Glenburn, PA
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in December
Glenburn, PA

Average rainfall days in December - Glenburn, PA
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in December
Glenburn, PA

Average snowfall in December - Glenburn, PA
  • Average snowfall in December: 5.94"

The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Glenburn, PA

Average snowfall days in December - Glenburn, PA
  • Average snowfall days in December: 13.4 days

The month with the highest number of snowfall days is January (16.7 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
Glenburn, PA

Average daylight in December / Average sunshine in December - Glenburn, PA
  • Average daylight in December: 9h and 1min

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 12min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

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Average sunshine days in December
Glenburn, PA

Average sunshine days in December - Glenburn, PA
  • Average sunshine days in December: 10.1 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is May (9.3 days).

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Average UV index in December
Glenburn, PA

Average UV index in December - Glenburn, 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
Glenburn, PA

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

The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in December
Glenburn, PA

Average visibility in December - Glenburn, 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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Glenburn, Pennsylvania, USA

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