December weather forecast
Christmans, PA

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Weather in December

The first month of the winter, December, is also an icy month in Christmans, Pennsylvania, with an average temperature fluctuating between 27.3°F (-2.6°C) and 38.1°F (3.4°C).

Temperature

The arrival of December corresponds with a shift in temperature, down from a chilly 47.5°F (8.6°C) in November to an icy 38.1°F (3.4°C). In the month of December, Christmans experiences an average low-temperature of 27.3°F (-2.6°C).

Humidity

February and December, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Christmans, in December, during 9.2 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 150.3 rainfall days, and 26.61" (676mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Christmans, during December, snow falls for 4.1 days and regularly aggregates up to 2.36" (60mm) of snow. In Christmans, during the entire year, snow falls for 26.6 days and aggregates up to 14.25" (362mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:44 pm EST.

Sunshine

In December, the average sunshine is 4.4h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

The average high-temperature, in December, in Christmans, is 38.1°F (3.4°C), while the average low-temperature is 27.3°F (-2.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is computed to be 87.8°F (31°C).

What is the most humid month?

The months with the highest humidity are February and December, with an average relative humidity of 83%.

What is the average humidity in December?

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

How much does it rain in December?

In December, the rain falls for 9.2 days. Throughout December, 2.09" (53mm) of precipitation is accumulated.

How much does it snow in December?

In Christmans, in December, snow falls for 4.1 days, with typically accumulated 2.36" (60mm) of snow.

What is the month with the shortest days?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

How many hours of daylight does Christmans have in December?

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

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:44 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.4h.

What are the months with the lowest UV index in Christmans?

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

What is the UV index reading in December?

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

Average temperature in December - Christmans, PA
  • Average high temperature in December: 38.1°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in December
Christmans, PA

Average pressure in December - Christmans, 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).

Average wind speed in December
Christmans, PA

Average wind speed in December - Christmans, PA
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Christmans, PA

Average humidity in December - Christmans, PA
  • Average humidity in December: 83%

The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).

Average rainfall in December
Christmans, PA

Average rainfall in December - Christmans, PA
  • Average rainfall in December: 2.09"

The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in December
Christmans, PA

Average rainfall days in December - Christmans, PA
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in December
Christmans, PA

Average snowfall in December - Christmans, PA
  • Average snowfall in December: 2.36"

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Christmans, PA

Average snowfall days in December - Christmans, PA
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Christmans, 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: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in December
Christmans, PA

Average sunshine days in December - Christmans, PA
  • Average sunshine days in December: 18.8 days

The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in December
Christmans, PA

Average UV index in December - Christmans, PA
  • Average UV index in December: 2

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

Average cloud cover in December
Christmans, PA

Average cloud cover in December - Christmans, PA
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in December
Christmans, PA

Average visibility in December - Christmans, 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).

Christmans, Pennsylvania, USA

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