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 shift to December brings a decrease in the average high-temperature, falling from a frosty 46.8°F (8.2°C) in November to a wintry 37.2°F (2.9°C). Throughout the month of December, the average temperature in Claysburg dips to a subzero cold 26.8°F (-2.9°C) at night.Humidity
In December, the average relative humidity in Claysburg, Pennsylvania, is 83%.Rainfall
In Claysburg, in December, during 9.7 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Claysburg, during the entire year, the rain falls for 162.4 days and collects up to 30" (762mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 8.6 days. Throughout December, 3.7" (94mm) of snow is accumulated. In Claysburg, during the entire year, snow falls for 47.1 days and aggregates up to 24.8" (630mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Claysburg, sunrise is at 7:17 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:57 pm EST.
Sunshine
In December, the average sunshine is 3.9h.UV index
The months with the lowest UV index in Claysburg are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is December in Claysburg?
What is the average humidity in December in Claysburg?
How much does it rain in Claysburg in December?
How many days does it snow in December in Claysburg?
What is the month with the shortest days in Claysburg?
What is the average length of the day in December in Claysburg?
When is the sunrise / sunset in December in Claysburg?
How many hours of sunshine does Claysburg have in December?
What is the month with the lowest UV index in Claysburg?
What is the UV index intensity in December in Claysburg?
Average temperature in December
Claysburg, PA
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Claysburg, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Claysburg, PA
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Claysburg, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Claysburg, PA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in December
Claysburg, PA
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Claysburg, PA
- Average snowfall in December: 3.7"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Claysburg, PA
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Claysburg, 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 24min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Claysburg, PA
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Claysburg, PA
- Average UV index in December: 2
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, February, March, October, November and December (UV index 2).
Average cloud cover in December
Claysburg, PA
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Claysburg, 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).
Claysburg, Pennsylvania, USA
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