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 comes with a drop in the average high-temperature, falling from November's chilly 48.6°F (9.2°C) to a cold 39.4°F (4.1°C). During December, the temperature is averaged to a low of 28.2°F (-2.1°C) at night.Humidity
In December, the average relative humidity is 81%.Rainfall
In Summit Station, during December, the rain falls for 10.5 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, in Summit Station, there are 145.2 rainfall days, and 21.1" (536mm) of precipitation is accumulated.Snowfall
Months with snowfall in Summit Station are January through May, October through December. In Summit Station, Pennsylvania, in December, during 5.4 snowfall days, 1.38" (35mm) of snow is typically accumulated. In Summit Station, during the entire year, snow falls for 28.1 days and aggregates up to 8.94" (227mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:09 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:48 pm EST.
Sunshine
January, February and December, with an average of 4.5h of sunshine, are months with the least sunshine in Summit Station.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold does it get in Summit Station in December?
What is the average humidity in December in Summit Station?
How many days does it rain in December in Summit Station?
How many days does it snow in December in Summit Station?
What is the month with the shortest days in Summit Station?
What is the average length of the day in December in Summit Station?
When are sunrise and sunset in December in Summit Station?
What are the months with the least sunshine in Summit Station?
How long on average sun shines in December in Summit Station?
What is the month with the lowest UV index in Summit Station?
How high is the UV index in December in Summit Station?
Average temperature in December
Summit Station, PA
- Average high temperature in December: 39.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Summit Station, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Summit Station, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Summit Station, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in December
Summit Station, PA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
Summit Station, PA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Summit Station, PA
- Average snowfall in December: 1.38"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Summit Station, PA
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Summit Station, PA
- Average daylight in December: 9h and 2min
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: 4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in December
Summit Station, PA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Summit Station, PA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Summit Station, PA
- Average cloud cover in December: 52
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Summit Station, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, June, July and November (6mi).
The months with the lowest visibility are February, May, August, September, October and December (5mi).
Summit Station, Pennsylvania, USA
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