December weather forecast
Slickville, PA

Share

Weather in December

The first month of the winter, December, is still a cold month in Slickville, Pennsylvania, with an average temperature varying between 39°F (3.9°C) and 27.7°F (-2.4°C).

Temperature

The arrival of December indicates a decrease in the average high-temperature, moving from a frosty 48.9°F (9.4°C) in November to a wintry 39°F (3.9°C). During the month of December, an average temperature of 27.7°F (-2.4°C) is noted during the nights.

Humidity

In Slickville, Pennsylvania, the average relative humidity in December is 84%.

Rainfall

In Slickville, during December, the rain falls for 13.1 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, in Slickville, there are 183.8 rainfall days, and 35.16" (893mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 13.5 days. Throughout December, 5.75" (146mm) of snow is accumulated. In Slickville, during the entire year, snow falls for 65 days and aggregates up to 28.98" (736mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:22 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:01 pm EST.

Sunshine

In December, the average sunshine is 3.4h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

Is it cold during December?

An average high-temperature, in December, in Slickville, is 39°F (3.9°C) and the average low-temperature is 27.7°F (-2.4°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in December?

In Slickville, the average relative humidity in December is 84%.

How much does it rain in December?

In Slickville, during December, the rain falls for 13.1 days and regularly aggregates up to 2.99" (76mm) of precipitation.

How much does it snow in December?

In Slickville, in December, during 13.5 snowfall days, 5.75" (146mm) of snow is typically accumulated.

What is the month with the shortest days in Slickville?

The month with the shortest days in Slickville is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Slickville have in December?

The average day length in December is 9h and 20min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:01 pm EST.

How long on average sun shines in December?

In Slickville, the average sunshine duration in December is 3.4h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 1. 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
Slickville, PA

Average temperature in December - Slickville, PA
  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in December: 27.7°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 (20.5°F).

Average pressure in December
Slickville, PA

Average pressure in December - Slickville, 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
Slickville, PA

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

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Slickville, PA

Average humidity in December - Slickville, PA
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in December
Slickville, PA

Average rainfall in December - Slickville, PA
  • Average rainfall in December: 2.99"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in December
Slickville, PA

Average rainfall days in December - Slickville, PA
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in December
Slickville, PA

Average snowfall in December - Slickville, PA
  • Average snowfall in December: 5.75"

The month with the highest snowfall is January (7.05").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Slickville, PA

Average snowfall days in December - Slickville, PA
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Slickville, 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 18min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in December
Slickville, PA

Average sunshine days in December - Slickville, PA
  • Average sunshine days in December: 9.1 days

The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (6.7 days).

Average UV index in December
Slickville, PA

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

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

Average cloud cover in December
Slickville, PA

Average cloud cover in December - Slickville, PA
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Slickville, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Slickville, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location