December weather forecast
Fredericktown, PA

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Weather in December

December, the first month of the winter in Fredericktown, is also an icy month, with an average temperature fluctuating between 40.1°F (4.5°C) and 28.8°F (-1.8°C).

Temperature

The shift from November to December corresponds with a decrease in the average high-temperature, down to a wintry 40.1°F (4.5°C) from a cool 50°F (10°C). Fredericktown experiences a nighttime temperature average of 28.8°F (-1.8°C) during December.

Humidity

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

Rainfall

In Fredericktown, in December, it is raining for 5 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, 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

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December in Fredericktown, sunrise is at 7:23 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:04 pm EST.

Sunshine

In December, the average sunshine in Fredericktown 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 vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

How cold is it in Fredericktown in December?

The average high-temperature, in December, in Fredericktown, is 40.1°F (4.5°C), while the average low-temperature is 28.8°F (-1.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is calculated to be 87.8°F (31°C).

What is the average humidity in December in Fredericktown?

The average relative humidity in December in Fredericktown, Pennsylvania, is 83%.

How many days does it rain in December in Fredericktown?

In Fredericktown, in December, during 5 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

What is the snowiest month in Fredericktown?

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

How much does it snow in Fredericktown in December?

In Fredericktown, Pennsylvania, during December, snow falls for 3.6 days and regularly aggregates up to 0.35" (9mm) of snow.

What is the month with the shortest days in Fredericktown?

December has the shortest days of the year in Fredericktown, Pennsylvania, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Fredericktown?

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

What time are sunrise and sunset in December in Fredericktown?

On the first day of December in Fredericktown, Pennsylvania, sunrise is at 7:23 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:04 pm EST.

How long on average sun shines in December in Fredericktown?

The average sunshine duration in December is 3.5h.

What is the month with the lowest UV index in Fredericktown?

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

What is the UV index reading in December in Fredericktown?

The average daily maximum UV index in December in Fredericktown, Pennsylvania, is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Fredericktown, PA

Average temperature in December - Fredericktown, 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).

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Average pressure in December
Fredericktown, PA

Average pressure in December - Fredericktown, 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).

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Average wind speed in December
Fredericktown, PA

Average wind speed in December - Fredericktown, 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).

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Average humidity in December
Fredericktown, PA

Average humidity in December - Fredericktown, 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%).

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Average rainfall in December
Fredericktown, PA

Average rainfall in December - Fredericktown, 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").

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Average rainfall days in December
Fredericktown, PA

Average rainfall days in December - Fredericktown, 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).

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Average snowfall in December
Fredericktown, PA

Average snowfall in December - Fredericktown, 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").

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Average snowfall days in December
Fredericktown, PA

Average snowfall days in December - Fredericktown, 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).

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

Average daylight in December / Average sunshine in December - Fredericktown, 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).

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Average sunshine days in December
Fredericktown, PA

Average sunshine days in December - Fredericktown, 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).

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Average UV index in December
Fredericktown, PA

Average UV index in December - Fredericktown, 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).

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Average cloud cover in December
Fredericktown, PA

Average cloud cover in December - Fredericktown, 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).

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Average visibility in December
Fredericktown, PA

Average visibility in December - Fredericktown, 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).

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Fredericktown, Pennsylvania, USA

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