December weather forecast
Warrior Run, PA

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Weather in December

The first month of the winter, December, is also an icy month in Warrior Run, Pennsylvania, with an average temperature ranging between min 25.9°F (-3.4°C) and max 36.9°F (2.7°C).

Temperature

A moderate decline in the average high-temperature is seen during December, decreasing from a chilly 46.2°F (7.9°C) in November to an icy 36.9°F (2.7°C). Warrior Run experiences a steady low-temperature of 25.9°F (-3.4°C) throughout December.

Humidity

The average relative humidity in December in Warrior Run is 83%.

Rainfall

In Warrior Run, in December, it is raining for 10.3 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 162.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Warrior Run, in December, during 7.8 snowfall days, 3.5" (89mm) of snow is typically accumulated. Throughout the year, in Warrior Run, there are 41.1 snowfall days, and 21.38" (543mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:45 pm EST.

Sunshine

In Warrior Run, the average sunshine in December is 3.8h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Warrior Run in December?

In December, in Warrior Run, the average high-temperature is 36.9°F (2.7°C), and the average low-temperature is 25.9°F (-3.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is computed to be 86°F (30°C).

What is the average humidity in December in Warrior Run?

In December, the average relative humidity is 83%.

How many days does it rain in December?

In Warrior Run, in December, during 10.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Warrior Run, in December, during 7.8 snowfall days, 3.5" (89mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 18min 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 16min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:45 pm EST.

How many hours of sunshine does Warrior Run have in December?

The average sunshine duration in December is 3.8h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index 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
Warrior Run, PA

Average temperature in December - Warrior Run, PA
  • Average high temperature in December: 36.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 25.9°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in December
Warrior Run, PA

Average pressure in December - Warrior Run, 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
Warrior Run, PA

Average wind speed in December - Warrior Run, PA
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Warrior Run, PA

Average humidity in December - Warrior Run, PA
  • Average humidity in December: 83%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in December
Warrior Run, PA

Average rainfall in December - Warrior Run, PA
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and September (2.09").

Average rainfall days in December
Warrior Run, PA

Average rainfall days in December - Warrior Run, PA
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in December
Warrior Run, PA

Average snowfall in December - Warrior Run, PA
  • Average snowfall in December: 3.5"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Warrior Run, PA

Average snowfall days in December - Warrior Run, PA
  • Average snowfall days in December: 7.8 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Warrior Run, PA

Average daylight in December / Average sunshine in December - Warrior Run, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

Average sunshine days in December
Warrior Run, PA

Average sunshine days in December - Warrior Run, PA
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.1 days).

Average UV index in December
Warrior Run, PA

Average UV index in December - Warrior Run, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Warrior Run, PA

Average cloud cover in December - Warrior Run, PA
  • Average cloud cover in December: 60

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in December
Warrior Run, PA

Average visibility in December - Warrior Run, 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).

Warrior Run, Pennsylvania, USA

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