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
In the transition to December, Stump Creek observes a drop in the average high-temperature, moving from a frosty 46°F (7.8°C) in November to a wintry 36.5°F (2.5°C). An average nighttime temperature of 25.5°F (-3.6°C) is noted during the month of December.Humidity
In December, the average relative humidity is 86%.Rainfall
In Stump Creek, in December, during 11.3 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 172.6 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Stump Creek, in December, during 17 snowfall days, 7.4" (188mm) of snow is typically accumulated. In Stump Creek, during the entire year, snow falls for 80.1 days and aggregates up to 38.35" (974mm) 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 7:21 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:57 pm EST.
Sunshine
In Stump Creek, the average sunshine in December is 2.6h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much 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 Stump Creek have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Stump Creek, PA
- Average high temperature in December: 36.5°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 (30.2°F).
- Average low temperature in December: 25.5°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 (17.8°F).
Average pressure in December
Stump Creek, 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
Stump Creek, PA
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Stump Creek, PA
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in December
Stump Creek, PA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is April (3.74").
The driest months (with the least rainfall) are August and November (2.17").
Average rainfall days in December
Stump Creek, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Stump Creek, PA
- Average snowfall in December: 7.4"
The month with the highest snowfall is January (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Stump Creek, PA
- Average snowfall days in December: 17 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stump Creek, 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: 2h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Stump Creek, PA
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (6.6 days).
Average UV index in December
Stump Creek, 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
Stump Creek, PA
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Stump Creek, PA
- Average visibility in December: 4mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).
Stump Creek, Pennsylvania, USA
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