Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Blue Ridge Summit observes a minor decrease in the average high-temperature with the arrival of December, falling from November's fresh 50.2°F (10.1°C) to an icy 41.2°F (5.1°C). December nights in Blue Ridge Summit experience a consistent temperature drop to a freezing cold 29.1°F (-1.6°C).Humidity
The average relative humidity in December in Blue Ridge Summit, Pennsylvania, is 79%.Rainfall
In Blue Ridge Summit, Pennsylvania, during December, the rain falls for 10.5 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Blue Ridge Summit, there are 158.5 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Blue Ridge Summit, in December, during 6.1 snowfall days, 2.99" (76mm) of snow is typically accumulated. Throughout the year, there are 33 snowfall days, and 22.44" (570mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:12 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:55 pm EST.
Sunshine
In Blue Ridge Summit, the average sunshine in December is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Blue Ridge Summit, Pennsylvania. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is it in Blue Ridge Summit in December?
What is the average humidity in December in Blue Ridge Summit?
How many days does it rain in December in Blue Ridge Summit?
How much does it snow in Blue Ridge Summit in December?
What is the month with the shortest days in Blue Ridge Summit?
How many hours of daylight does Blue Ridge Summit have in December?
When are sunrise and sunset in December in Blue Ridge Summit?
How many hours of sunshine does Blue Ridge Summit have in December?
What are the months with the lowest UV index in Blue Ridge Summit?
What is the UV index intensity in December in Blue Ridge Summit?
Average temperature in December
Blue Ridge Summit, PA
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Blue Ridge Summit, 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
Blue Ridge Summit, PA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Blue Ridge Summit, PA
- Average humidity in December: 79%
The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Blue Ridge Summit, PA
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Blue Ridge Summit, PA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Blue Ridge Summit, PA
- Average snowfall in December: 2.99"
The month with the highest snowfall is January (6.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Blue Ridge Summit, PA
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.6 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
Blue Ridge Summit, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Blue Ridge Summit, PA
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Blue Ridge Summit, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Blue Ridge Summit, PA
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Blue Ridge Summit, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, June and July (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October, November and December (5mi).
Blue Ridge Summit, Pennsylvania, USA
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