December weather forecast
Markleton, PA

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Weather in December

December, the first month of the winter in Markleton, is also a wintry month, with an average temperature varying between 25.7°F (-3.5°C) and 37.2°F (2.9°C).

Temperature

Markleton's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 46.4°F (8°C) to a cold 37.2°F (2.9°C). Markleton's average low-temperature for the month of December records at a subzero cold 25.7°F (-3.5°C).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Markleton, in December, during 11.7 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. In Markleton, during the entire year, the rain falls for 183.2 days and collects up to 35.94" (913mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Markleton, in December, snow falls for 12.5 days, with typically accumulated 5.16" (131mm) of snow. Throughout the year, there are 68.3 snowfall days, and 33.39" (848mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:19 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:02 pm EST.

Sunshine

In Markleton, the average sunshine in December is 3.6h.

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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

How cold is December?

The average high-temperature and low-temperature during December are 37.2°F (2.9°C) and 25.7°F (-3.5°C) respectively.

What is the average humidity in December?

The average relative humidity in December is 85%.

How many days does it rain in December?

In Markleton, in December, it is raining for 11.7 days, with typically 3.27" (83mm) of accumulated precipitation.

How much does it snow in December?

In Markleton, during December, snow falls for 12.5 days and regularly aggregates up to 5.16" (131mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Markleton have in December?

In Markleton, the average day length in December is 9h and 24min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:19 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:02 pm EST.

How many hours of sunshine does Markleton have in December?

In Markleton, Pennsylvania, the average sunshine duration in December is 3.6h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Markleton, PA

Average temperature in December - Markleton, PA
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.5°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 (18.9°F).

Average pressure in December
Markleton, PA

Average pressure in December - Markleton, 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).

Average wind speed in December
Markleton, PA

Average wind speed in December - Markleton, PA
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Markleton, PA

Average humidity in December - Markleton, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (79%).

Average rainfall in December
Markleton, PA

Average rainfall in December - Markleton, PA
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in December
Markleton, PA

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

The month with the highest number of rainy days is May (22.8 days).
The month with the least rainy days is January (9.4 days).

Average snowfall in December
Markleton, PA

Average snowfall in December - Markleton, PA
  • Average snowfall in December: 5.16"

The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Markleton, PA

Average snowfall days in December - Markleton, PA
  • Average snowfall days in December: 12.5 days

The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Markleton, 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 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Markleton, PA

Average sunshine days in December - Markleton, PA
  • Average sunshine days in December: 9.2 days

The months with the most sunshine days are October and November (12.5 days).
The month with the least sunshine days is May (6.2 days).

Average UV index in December
Markleton, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Markleton, PA

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

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in December
Markleton, PA

Average visibility in December - Markleton, PA
  • Average visibility in December: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

Markleton, Pennsylvania, USA

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