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
The beginning of December in State College marks a decrease in the average high-temperature, transitioning from a chilly 46.8°F (8.2°C) in November to an icy 36.9°F (2.7°C). State College temperatures generally rest at a low of 26.4°F (-3.1°C) during the December nights.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 84%.Rainfall
In State College, in December, it is raining for 12.6 days, with typically 2.52" (64mm) of accumulated precipitation. In State College, during the entire year, the rain falls for 175.7 days and collects up to 30.94" (786mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in State College, it is snowing for 11.5 days. Throughout December, 4.45" (113mm) of snow is accumulated. Throughout the year, in State College, there are 59 snowfall days, and 26.3" (668mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in State College.On the first day of December in State College, sunrise is at 7:16 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:53 pm EST.
Sunshine
The average sunshine in December is 3.7h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, a regular UV index of 1 translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is it in State College in December?
What are the most humid months in State College?
What is the average humidity in December in State College?
How many days does it rain in December in State College?
How many days does it snow in December in State College?
What is the month with the shortest days in State College?
What is the average length of the day in December in State College?
What time are sunrise and sunset in December in State College?
How many hours of sunshine does State College have in December?
What is the month with the lowest UV index in State College?
What is the UV index intensity in December in State College?
Average temperature in December
State College, PA
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 26.4°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 (18.7°F).
Average pressure in December
State College, 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 (29.95"Hg).
Average wind speed in December
State College, PA
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
State College, 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 (76%).
Average rainfall in December
State College, PA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
State College, PA
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in December
State College, PA
- Average snowfall in December: 4.45"
The month with the highest snowfall is February (6.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
State College, PA
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
State College, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
State College, PA
- Average sunshine days in December: 12 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in December
State College, 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
State College, PA
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
State College, 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).
State College, Pennsylvania, USA
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