December weather forecast
Smoke Run, PA

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Weather in December

December, the first month of the winter in Smoke Run, is also a wintry month, with an average temperature varying between 26.4°F (-3.1°C) and 37°F (2.8°C).

Temperature

Stepping into December, Smoke Run observes a temperature decline, with the average high falling from November's chilly 46.8°F (8.2°C) to an icy 37°F (2.8°C). In December, Smoke Run reports a consistent average low-temperature of 26.4°F (-3.1°C) during the nights.

Humidity

In Smoke Run, the average relative humidity in December is 84%.

Rainfall

In Smoke Run, in December, it is raining for 13.1 days, with typically 2.76" (70mm) of accumulated precipitation. In Smoke Run, during the entire year, the rain falls for 176.6 days and collects up to 30.94" (786mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Smoke Run, in December, during 12 snowfall days, 4.17" (106mm) of snow is typically accumulated. Throughout the year, there are 58.3 snowfall days, and 23.7" (602mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Smoke Run, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:19 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:56 pm EST.

Sunshine

In December, the average sunshine is 3.8h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 1 during December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

How cold is December?

In December, in Smoke Run, the average high-temperature is 37°F (2.8°C), and the average low-temperature is 26.4°F (-3.1°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 87.8°F (31°C).

What is the average humidity in December in Smoke Run?

In December, the average relative humidity is 84%.

How much does it rain in December?

In December, the rain falls for 13.1 days. Throughout December, 2.76" (70mm) of precipitation is accumulated.

How much does it snow in December?

In December, it is snowing for 12 days. Throughout December, 4.17" (106mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:19 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:56 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 3.8h.

What is the month with the lowest UV index?

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

How high is the UV index in December in Smoke Run?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Smoke Run, PA

Average temperature in December - Smoke Run, PA
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 26.4°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in December
Smoke Run, PA

Average pressure in December - Smoke Run, PA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Smoke Run, PA

Average wind speed in December - Smoke Run, PA
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
Smoke Run, PA

Average humidity in December - Smoke Run, PA
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, June and July (77%).

Average rainfall in December
Smoke Run, PA

Average rainfall in December - Smoke Run, PA
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is November (1.97").

Average rainfall days in December
Smoke Run, PA

Average rainfall days in December - Smoke Run, PA
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (10.5 days).

Average snowfall in December
Smoke Run, PA

Average snowfall in December - Smoke Run, PA
  • Average snowfall in December: 4.17"

The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Smoke Run, PA

Average snowfall days in December - Smoke Run, PA
  • Average snowfall days in December: 12 days

The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Smoke 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 month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Smoke Run, PA

Average sunshine days in December - Smoke Run, PA
  • Average sunshine days in December: 10.3 days

The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (8.5 days).

Average UV index in December
Smoke Run, PA

Average UV index in December - Smoke 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
Smoke Run, PA

Average cloud cover in December - Smoke Run, PA
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in December
Smoke Run, PA

Average visibility in December - Smoke 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).

Smoke Run, Pennsylvania, USA

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