December weather forecast
Republic, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Republic, Pennsylvania, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 28.8°F (-1.8°C).

Temperature

Onset of December comes with a temperature decline, the average high falling from a cool 50°F (10°C) in November to an icy 40.1°F (4.5°C). In December, the recorded average low-temperature is a subzero cold 28.8°F (-1.8°C).

Humidity

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

Rainfall

In December, the rain falls for 5 days. Throughout December, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Republic, there are 82.6 rainfall days, and 6.1" (155mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. The months with the most snowfall are February and December, with an average 0.35" (9mm) of accumulated snow.

Daylight

December has the shortest days of the year, 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 5:04 pm EST.

Sunshine

The average sunshine in December is 3.5h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature during December is 40.1°F (4.5°C) and the low-temperature is 28.8°F (-1.8°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in December?

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

How much does it rain in December?

In December, the rain falls for 5 days. Throughout December, 0.51" (13mm) of precipitation is accumulated.

What is the snowiest month?

The months with the most snowfall are February and December, with an average 0.35" (9mm) of accumulated snow.

How much does it snow in December?

In December, it is snowing for 3.6 days. Throughout December, 0.35" (9mm) of snow is accumulated.

What is the month with the shortest days in Republic?

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?

In December, the average day length is 9h and 23min.

When is the sunrise / 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 5:04 pm EST.

How many hours of sunshine does Republic have in December?

In Republic, the average sunshine duration in December is 3.5h.

When is the lowest UV index in Republic?

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

What is the UV index reading in December?

In Republic, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Republic, PA

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

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in December: 28.8°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in December
Republic, PA

Average pressure in December - Republic, 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
Republic, PA

Average wind speed in December - Republic, PA
  • Average wind speed in December: 7.2mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Republic, PA

Average humidity in December - Republic, PA
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July, August and November (77%).

Average rainfall in December
Republic, PA

Average rainfall in December - Republic, PA
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days in December
Republic, PA

Average rainfall days in December - Republic, PA
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is July (9.8 days).
The month with the least rainy days is February (4 days).

Average snowfall in December
Republic, PA

Average snowfall in December - Republic, PA
  • Average snowfall in December: 0.35"

The months with the highest snowfall are February and December (0.35").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Republic, PA

Average snowfall days in December - Republic, PA
  • Average snowfall days in December: 3.6 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Republic, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Republic, PA

Average sunshine days in December - Republic, PA
  • Average sunshine days in December: 22.4 days

The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is June (17.3 days).

Average UV index in December
Republic, PA

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Republic, PA

Average cloud cover in December - Republic, PA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Republic, PA

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

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

Republic, Pennsylvania, USA

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