December weather forecast
Clearfield, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Clearfield, Pennsylvania, with an average temperature ranging between min 25.5°F (-3.6°C) and max 36°F (2.2°C).

Temperature

December's onset corresponds with a shift in the average high-temperature, moving from a frosty 45.5°F (7.5°C) in November to an icy 36°F (2.2°C). In December, Clearfield experiences an average nighttime temperature of 25.5°F (-3.6°C).

Humidity

In Clearfield, the average relative humidity in December is 86%.

Rainfall

In Clearfield, during December, the rain falls for 11.6 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Clearfield, during the entire year, the rain falls for 165.7 days and collects up to 31.54" (801mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Clearfield, during December, snow falls for 15.5 days and regularly aggregates up to 7.36" (187mm) of snow. Throughout the year, there are 76 snowfall days, and 37.6" (955mm) 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 December in Clearfield, sunrise is at 7:19 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:55 pm EST.

Sunshine

The average sunshine in December is 2.9h.

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 low health risk from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 21, 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, in December, in Clearfield, records 36°F (2.2°C), while the low-temperature is 25.5°F (-3.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in July is estimated at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 86%.

How much does it rain in December?

In December, the rain falls for 11.6 days. Throughout December, 2.8" (71mm) of precipitation is accumulated.

How many days does it snow in December?

In Clearfield, in December, snow falls for 15.5 days, with typically accumulated 7.36" (187mm) of snow.

What is the month with the shortest days in Clearfield?

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 Clearfield, the average day length in December is 9h and 17min.

When are sunrise and 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 7:38 am and sunset at 4:55 pm EST.

How long on average sun shines in December?

In Clearfield, Pennsylvania, the average sunshine duration in December is 2.9h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Clearfield, PA

Average temperature in December - Clearfield, PA
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 25.5°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in December
Clearfield, PA

Average pressure in December - Clearfield, 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
Clearfield, PA

Average wind speed in December - Clearfield, PA
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Clearfield, PA

Average humidity in December - Clearfield, PA
  • Average humidity in December: 86%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).

Average rainfall in December
Clearfield, PA

Average rainfall in December - Clearfield, PA
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is August (1.97").

Average rainfall days in December
Clearfield, PA

Average rainfall days in December - Clearfield, PA
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in December
Clearfield, PA

Average snowfall in December - Clearfield, PA
  • Average snowfall in December: 7.36"

The month with the highest snowfall is January (9.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Clearfield, PA

Average snowfall days in December - Clearfield, PA
  • Average snowfall days in December: 15.5 days

The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Clearfield, 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: 2h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Clearfield, PA

Average sunshine days in December - Clearfield, PA
  • Average sunshine days in December: 8.8 days

The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in December
Clearfield, PA

Average UV index in December - Clearfield, 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
Clearfield, PA

Average cloud cover in December - Clearfield, PA
  • Average cloud cover in December: 71

The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in December
Clearfield, PA

Average visibility in December - Clearfield, PA
  • Average visibility in December: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

Clearfield, Pennsylvania, USA

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