December weather forecastSouth Fork, PA
December
Weather in December
December, the first month of the winter in South Fork, is also a wintry month, with an average temperature varying between 36.5°F (2.5°C) and 26.4°F (-3.1°C).Temperature
South Fork's progression into December involves a drop in the average high-temperature, receding from a frosty 46.2°F (7.9°C) in November to a cold 36.5°F (2.5°C). In December, the nighttime temperature lowers to an average of 26.4°F (-3.1°C).Humidity
The average relative humidity in December is 85%.Rainfall
In South Fork, in December, it is raining for 9.2 days, with typically 2.64" (67mm) of accumulated precipitation. In South Fork, Pennsylvania, during the entire year, the rain falls for 128.8 days and collects up to 22.95" (583mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In South Fork, during December, snow falls for 10.3 days and regularly aggregates up to 5.16" (131mm) of snow. Throughout the year, in South Fork, there are 58.2 snowfall days, and 31.81" (808mm) of snow is accumulated.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 7:19 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:59 pm EST.
Sunshine
The average sunshine in December is 3.6h.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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
South Fork, PA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
South Fork, 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).
Average wind speed in December
South Fork, PA
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
South Fork, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in December
South Fork, PA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is February (2.68").
The driest month (with the least rainfall) is August (1.1").
Average rainfall days in December
South Fork, PA
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is November (7 days).
Average snowfall in December
South Fork, PA
- Average snowfall in December: 5.16"
The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Fork, PA
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Fork, PA
- Average daylight in December: 9h and 18min
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 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
South Fork, PA
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in December
South Fork, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
South Fork, 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 37).
Average visibility in December
South Fork, 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).
