December weather forecast
Indianland, PA

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Weather in December

The first month of the winter, December, is also an icy month in Indianland, Pennsylvania, with an average temperature ranging between min 27.5°F (-2.5°C) and max 38.3°F (3.5°C).

Temperature

In Indianland, entering December brings a temperature decrement, reducing from November's frosty 48.2°F (9°C) to a cold 38.3°F (3.5°C). Indianland's temperature tends to fall to an average low of 27.5°F (-2.5°C) during the nights of December.

Humidity

The average relative humidity in December is 82%.

Rainfall

In Indianland, in December, during 11.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 155.1 rainfall days, and 29.45" (748mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Indianland, Pennsylvania, in December, during 4.6 snowfall days, 2.6" (66mm) of snow is typically accumulated. Throughout the year, in Indianland, there are 34 snowfall days, and 16.73" (425mm) of snow is accumulated.

Daylight

The month with the shortest days in Indianland is December, with an average of 9h and 18min of daylight.
On the first day of December in Indianland, sunrise is at 7:07 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:44 pm EST.

Sunshine

In Indianland, the average sunshine in December is 4.5h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In December, an average UV index of 1 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

Is it cold in Indianland during December?

The average high-temperature, in December, in Indianland, is 38.3°F (3.5°C), while the average low-temperature is 27.5°F (-2.5°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in December in Indianland?

The average relative humidity in December is 82%.

How many days does it rain in December in Indianland?

In Indianland, in December, during 11.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

How many days does it snow in December in Indianland?

In Indianland, Pennsylvania, in December, during 4.6 snowfall days, 2.6" (66mm) of snow is typically accumulated.

What is the month with the shortest days in Indianland?

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

How many hours of daylight does Indianland have in December?

In Indianland, Pennsylvania, the average day length in December is 9h and 19min.

When is the sunrise / sunset in December in Indianland?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:35 pm. On the last day of the month, in Indianland, sunrise is at 7:26 am and sunset at 4:44 pm EST.

How long on average sun shines in December in Indianland?

The average sunshine duration in December is 4.5h.

When is the lowest UV index in Indianland?

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

How high is the UV index in December in Indianland?

In Indianland, the average daily maximum UV index in December is 1. A UV Index value 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
Indianland, PA

Average temperature in December - Indianland, PA
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure in December
Indianland, PA

Average pressure in December - Indianland, 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
Indianland, PA

Average wind speed in December - Indianland, PA
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Indianland, PA

Average humidity in December - Indianland, PA
  • Average humidity in December: 82%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).

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Average rainfall in December
Indianland, PA

Average rainfall in December - Indianland, PA
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in December
Indianland, PA

Average rainfall days in December - Indianland, PA
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).

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Average snowfall in December
Indianland, PA

Average snowfall in December - Indianland, PA
  • Average snowfall in December: 2.6"

The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Indianland, PA

Average snowfall days in December - Indianland, PA
  • Average snowfall days in December: 4.6 days

The month with the highest number of snowfall days is February (9.5 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
Indianland, PA

Average daylight in December / Average sunshine in December - Indianland, 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 18min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in December
Indianland, PA

Average sunshine days in December - Indianland, PA
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
Indianland, PA

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

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

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Average cloud cover in December
Indianland, PA

Average cloud cover in December - Indianland, PA
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in December
Indianland, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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Indianland, Pennsylvania, USA

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