December weather forecast
Versailles, PA

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Weather in December

December, the first month of the winter in Versailles, is still a cold month, with an average temperature fluctuating between 28.6°F (-1.9°C) and 39.6°F (4.2°C).

Temperature

With December's onset, the weather shows a temperature decrease, transitioning from a frosty 49.5°F (9.7°C) in November to a wintry 39.6°F (4.2°C). Nighttime temperatures hover around an average low of 28.6°F (-1.9°C) in December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Versailles, in December, during 11.2 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 161.9 rainfall days, and 19.29" (490mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 10.1 days. Throughout December, 1.69" (43mm) of snow is accumulated. Throughout the year, there are 49.2 snowfall days, and 8.62" (219mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:53 pm. On the last day of December, in Versailles, sunrise is at 7:41 am and sunset at 5:03 pm EST.

Sunshine

The average sunshine in December is 3.5h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a regular UV index of 1 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

How cold is December?

The average high-temperature, in December, in Versailles, is 39.6°F (4.2°C), while the average low-temperature is 28.6°F (-1.9°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 84%.

How many days does it rain in December?

In Versailles, in December, it is raining for 11.2 days, with typically 1.46" (37mm) of accumulated precipitation.

How many days does it snow in December?

In Versailles, in December, during 10.1 snowfall days, 1.69" (43mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:03 pm EST.

How long on average sun shines in December?

In Versailles, the average sunshine duration in December is 3.5h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Versailles, PA

Average temperature in December - Versailles, PA
  • Average high temperature in December: 39.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in December: 28.6°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in December
Versailles, PA

Average pressure in December - Versailles, PA
  • Average pressure in December: 30.11"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
Versailles, PA

Average wind speed in December - Versailles, PA
  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Versailles, PA

Average humidity in December - Versailles, 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, July and August (76%).

Average rainfall in December
Versailles, PA

Average rainfall in December - Versailles, PA
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.14").

Average rainfall days in December
Versailles, PA

Average rainfall days in December - Versailles, PA
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in December
Versailles, PA

Average snowfall in December - Versailles, PA
  • Average snowfall in December: 1.69"

The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Versailles, PA

Average snowfall days in December - Versailles, PA
  • Average snowfall days in December: 10.1 days

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Versailles, 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Versailles, PA

Average sunshine days in December - Versailles, PA
  • Average sunshine days in December: 12.1 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (9 days).

Average UV index in December
Versailles, PA

Average UV index in December - Versailles, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Versailles, PA

Average cloud cover in December - Versailles, PA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Versailles, PA

Average visibility in December - Versailles, PA
  • Average visibility in December: 5mi

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

Versailles, Pennsylvania, USA

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