December weather forecast
Indianland, PA

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Weather in December

December, the first month of the winter in Indianland, is also a wintry month, with an average temperature fluctuating between 27.5°F (-2.5°C) and 38.3°F (3.5°C).

Temperature

Start of December brings a shift in the average high-temperature, falling from November's chilly 48.2°F (9°C) to a cold 38.3°F (3.5°C). During the December nights, an average temperature of 27.5°F (-2.5°C) is observed in Indianland.

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

January through May, October through December are months with snowfall. In Indianland, in December, snow falls for 4.6 days, with typically accumulated 2.6" (66mm) of snow. In Indianland, during the entire year, snow falls for 34 days and aggregates up to 16.73" (425mm) of snow.

Daylight

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

Sunshine

In December, the average sunshine 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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 1 during December translates into the following guidance:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In December, in Indianland, the average high-temperature is 38.3°F (3.5°C), and the average low-temperature is 27.5°F (-2.5°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is computed to be 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 December, during 11.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 4.6 days. Throughout December, 2.6" (66mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December is 9h and 19min.

When are sunrise and sunset in December?

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, sunrise is at 7:26 am and sunset at 4:44 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Indianland, Pennsylvania, USA

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