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
December's arrival corresponds with a decrease in average high-temperatures, from November's frosty 45.1°F (7.3°C) to a wintry 35.2°F (1.8°C). Gravity usually reports an average low-temperature of 24.8°F (-4°C) during the month of December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 85%.Rainfall
In Gravity, during December, the rain falls for 10.9 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 161.6 rainfall days, and 33.19" (843mm) of precipitation is accumulated.Snowfall
Months with snowfall in Gravity are January through May, October through December. In Gravity, during December, snow falls for 12.7 days and regularly aggregates up to 7.01" (178mm) of snow. Throughout the year, in Gravity, there are 69.6 snowfall days, and 39.41" (1001mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:41 pm EST.
Sunshine
In December, the average sunshine in Gravity, Pennsylvania, is 3.5h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Gravity. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
How cold is December in Gravity?
What is the most humid month in Gravity?
What is the average humidity in December in Gravity?
How many days does it rain in December in Gravity?
How many days does it snow in December in Gravity?
What is the month with the shortest days in Gravity?
How many hours of daylight does Gravity have in December?
When is the sunrise / sunset in December in Gravity?
How long on average sun shines in December in Gravity?
What is the month with the lowest UV index in Gravity?
What is the UV index intensity in December in Gravity?
Average temperature in December
Gravity, PA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Gravity, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Gravity, PA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January, February and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Gravity, PA
- Average humidity in December: 85%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in December
Gravity, PA
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Gravity, PA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Gravity, PA
- Average snowfall in December: 7.01"
The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gravity, PA
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gravity, PA
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Gravity, PA
- Average sunshine days in December: 11.3 days
The months with the most sunshine days are September and November (14.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Gravity, PA
- Average UV index in December: 1
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 and December (UV index 1).
Average cloud cover in December
Gravity, PA
- Average cloud cover in December: 65
The months with the most cloud cover are February and December (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Gravity, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Gravity, Pennsylvania, USA
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