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 onset brings a slight change in high-temperatures, falling from a chilly 46.2°F (7.9°C) in November to a wintry 36.5°F (2.5°C). During December, the temperature is averaged to a low of 25.9°F (-3.4°C) at night.Humidity
February and December, with an average relative humidity of 84%, are the most humid months in Swoyersville, Pennsylvania.Rainfall
In Swoyersville, in December, during 11 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, there are 162.1 rainfall days, and 24.53" (623mm) of precipitation is accumulated.Snowfall
Months with snowfall in Swoyersville are January through May, October through December. In Swoyersville, Pennsylvania, in December, during 9.6 snowfall days, 3.46" (88mm) of snow is typically accumulated. Throughout the year, there are 49.4 snowfall days, and 19.92" (506mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine is 3.8h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 1 during December leads to these advisories:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Swoyersville in December?
What is the most humid month in Swoyersville?
What is the average humidity in December in Swoyersville?
How much does it rain in Swoyersville in December?
How much does it snow in Swoyersville in December?
What is the month with the shortest days in Swoyersville?
What is the average length of the day in December in Swoyersville?
When are sunrise and sunset in December in Swoyersville?
How many hours of sunshine does Swoyersville have in December?
What is the month with the lowest UV index in Swoyersville?
What is the UV index reading in December in Swoyersville?
Average temperature in December
Swoyersville, PA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Swoyersville, 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
Swoyersville, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Swoyersville, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in December
Swoyersville, PA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Swoyersville, PA
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Swoyersville, PA
- Average snowfall in December: 3.46"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Swoyersville, PA
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Swoyersville, 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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in December
Swoyersville, PA
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Swoyersville, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Swoyersville, PA
- Average cloud cover in December: 61
The months with the most cloud cover are January, February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Swoyersville, 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).
Swoyersville, Pennsylvania, USA
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