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 suggests a modest reduction in the average high-temperature, shifting from a chilly 45.9°F (7.7°C) in November to a cold 36.3°F (2.4°C). During December, Suscon records a consistent average nighttime temperature of 25.7°F (-3.5°C).Humidity
February and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In Suscon, Pennsylvania, during December, the rain falls for 10.7 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Suscon, during the entire year, the rain falls for 168.5 days and collects up to 30.91" (785mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Suscon, Pennsylvania, in December, snow falls for 9 days, with typically accumulated 4.21" (107mm) of snow. In Suscon, during the entire year, snow falls for 51.4 days and aggregates up to 25.63" (651mm) of snow.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 7:09 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:43 pm EST.
Sunshine
The months with the least sunshine in Suscon are January, February and December, with an average of 3.7h of sunshine.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 threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 during December translates into the following guidance:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Suscon have in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Suscon have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Suscon, PA
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Suscon, 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
Suscon, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Suscon, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Suscon, PA
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in December
Suscon, PA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in December
Suscon, PA
- Average snowfall in December: 4.21"
The month with the highest snowfall is February (7.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Suscon, PA
- Average snowfall days in December: 9 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Suscon, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 42min).
Average sunshine days in December
Suscon, PA
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in December
Suscon, 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
Suscon, PA
- Average cloud cover in December: 62
The months with the most cloud cover are February and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Suscon, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Suscon, Pennsylvania, USA
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