December weather forecast
Fair Hills, PA

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Weather in December

The first month of the winter, December, is still a cold month in Fair Hills, Pennsylvania, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 30.7°F (-0.7°C).

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a cool 51.3°F (10.7°C) in November to a wintry 42.1°F (5.6°C). An average nighttime temperature of 30.7°F (-0.7°C) is observed during December.

Humidity

The months with the highest humidity are February, October and December, with an average relative humidity of 79%.

Rainfall

In Fair Hills, in December, it is raining for 7.3 days, with typically 1.02" (26mm) of accumulated precipitation. In Fair Hills, during the entire year, the rain falls for 116.6 days and collects up to 10.63" (270mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Fair Hills. In Fair Hills, in December, during 1.8 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Fair Hills, during the entire year, snow falls for 14.8 days and aggregates up to 3.5" (89mm) of snow.

Daylight

December has the shortest days of the year in Fair Hills, with an average of 9h and 24min of daylight.
On the first day of December in Fair Hills, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine in Fair Hills is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

Is it cold in Fair Hills during December?

During December, Fair Hills experiences an average high-temperature of 42.1°F (5.6°C) and a low-temperature of 30.7°F (-0.7°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is computed to be 87.8°F (31°C).

What are the most humid months in Fair Hills?

February, October and December, with an average relative humidity of 79%, are most humid months.

What is the average humidity in December in Fair Hills?

In December, the average relative humidity in Fair Hills, Pennsylvania, is 79%.

How much does it rain in Fair Hills in December?

In Fair Hills, in December, during 7.3 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

How many days does it snow in December in Fair Hills?

In Fair Hills, Pennsylvania, in December, snow falls for 1.8 days, with typically accumulated 0.43" (11mm) of snow.

What is the month with the shortest days in Fair Hills?

The month with the shortest days in Fair Hills, Pennsylvania, is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Fair Hills have in December?

In December, the average day length in Fair Hills is 9h and 22min.

What time are sunrise and sunset in December in Fair Hills?

On the first day of December in Fair Hills, Pennsylvania, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:45 pm EST.

How many hours of sunshine does Fair Hills have in December?

In December, the average sunshine duration in Fair Hills is 5h.

When is the lowest UV index in Fair Hills?

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

What is the UV index intensity in December in Fair Hills?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Fair Hills, PA

Average temperature in December - Fair Hills, PA
  • Average high temperature in December: 42.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

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Average pressure in December
Fair Hills, PA

Average pressure in December - Fair Hills, 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).

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Average wind speed in December
Fair Hills, PA

Average wind speed in December - Fair Hills, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Fair Hills, PA

Average humidity in December - Fair Hills, PA
  • Average humidity in December: 79%

The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).

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Average rainfall in December
Fair Hills, PA

Average rainfall in December - Fair Hills, PA
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").

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Average rainfall days in December
Fair Hills, PA

Average rainfall days in December - Fair Hills, PA
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).

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Average snowfall in December
Fair Hills, PA

Average snowfall in December - Fair Hills, PA
  • Average snowfall in December: 0.43"

The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Fair Hills, PA

Average snowfall days in December - Fair Hills, PA
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Fair Hills, PA

Average daylight in December / Average sunshine in December - Fair Hills, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Fair Hills, PA

Average sunshine days in December - Fair Hills, PA
  • Average sunshine days in December: 21.7 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).

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Average UV index in December
Fair Hills, PA

Average UV index in December - Fair Hills, PA
  • Average UV index in December: 2

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

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Average cloud cover in December
Fair Hills, PA

Average cloud cover in December - Fair Hills, PA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in December
Fair Hills, PA

Average visibility in December - Fair Hills, PA
  • Average visibility in December: 6mi

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

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Fair Hills, Pennsylvania, USA

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