December weather forecast
Rankins Corners, PA

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Weather in December

The first month of the winter, December, is still a cold month in Rankins Corners, Pennsylvania, with an average temperature fluctuating between 28.8°F (-1.8°C) and 40.1°F (4.5°C).

Temperature

Rankins Corners's December weather comes with a decrease in average high-temperatures, moving from a chilly 49.6°F (9.8°C) in November to an icy 40.1°F (4.5°C). Rankins Corners in December experiences a low-temperature average of 28.8°F (-1.8°C).

Humidity

In Rankins Corners, the average relative humidity in December is 83%.

Rainfall

In December, the rain falls for 14 days. Throughout December, 3.07" (78mm) of precipitation is accumulated. Throughout the year, there are 191.3 rainfall days, and 35.24" (895mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 12.6 days. Throughout December, 4.88" (124mm) of snow is accumulated. In Rankins Corners, during the entire year, snow falls for 60.2 days and aggregates up to 25.08" (637mm) of snow.

Daylight

December has the shortest days of the year in Rankins Corners, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:22 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:03 pm EST.

Sunshine

In Rankins Corners, the average sunshine in December is 3.6h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

The high-temperature, in December, in Rankins Corners, is 40.1°F (4.5°C), while the low-temperature averages to 28.8°F (-1.8°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 83%.

How much does it rain in December?

In Rankins Corners, during December, the rain falls for 14 days and regularly aggregates up to 3.07" (78mm) of precipitation.

How many days does it snow in December?

In Rankins Corners, in December, during 12.6 snowfall days, 4.88" (124mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 9h and 22min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:22 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:03 pm EST.

How many hours of sunshine does Rankins Corners have in December?

In Rankins Corners, the average sunshine duration in December is 3.6h.

When is the lowest UV index in Rankins Corners?

With an average maximum UV index of 1, December is the month with the lowest UV index.

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Rankins Corners, PA

Average temperature in December - Rankins Corners, PA
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in December: 28.8°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 (21.2°F).

Average pressure in December
Rankins Corners, PA

Average pressure in December - Rankins Corners, 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
Rankins Corners, PA

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

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Rankins Corners, PA

Average humidity in December - Rankins Corners, PA
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).

Average rainfall in December
Rankins Corners, PA

Average rainfall in December - Rankins Corners, PA
  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in December
Rankins Corners, PA

Average rainfall days in December - Rankins Corners, PA
  • Average rainfall days in December: 14 days

The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).

Average snowfall in December
Rankins Corners, PA

Average snowfall in December - Rankins Corners, PA
  • Average snowfall in December: 4.88"

The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Rankins Corners, PA

Average snowfall days in December - Rankins Corners, PA
  • Average snowfall days in December: 12.6 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Rankins Corners, PA

Average daylight in December / Average sunshine in December - Rankins Corners, 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 month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Rankins Corners, PA

Average sunshine days in December - Rankins Corners, PA
  • Average sunshine days in December: 9.9 days

The month with the most sunshine days is November (14.3 days).
The month with the least sunshine days is January (6.8 days).

Average UV index in December
Rankins Corners, PA

Average UV index in December - Rankins Corners, PA
  • Average UV index in December: 1

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

Average cloud cover in December
Rankins Corners, PA

Average cloud cover in December - Rankins Corners, PA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Rankins Corners, PA

Average visibility in December - Rankins Corners, PA
  • Average visibility in December: 5mi

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

Rankins Corners, Pennsylvania, USA

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