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 Schlemville, entering December brings a temperature decrement, reducing from November's frosty 49.8°F (9.9°C) to a cold 40.1°F (4.5°C). An average low-temperature of 29.1°F (-1.6°C) is noted in Schlemville during the month of December.Humidity
The average relative humidity in December is 80%.Rainfall
In Schlemville, Pennsylvania, during December, the rain falls for 10.1 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in Schlemville, there are 147.9 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
Months with snowfall in Schlemville are January through April, October through December. In Schlemville, during December, snow falls for 4.5 days and regularly aggregates up to 1.5" (38mm) of snow. Throughout the year, there are 24.9 snowfall days, and 13.54" (344mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:08 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:47 pm EST.
Sunshine
In December, the average sunshine is 4.7h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in December transforms into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is December in Schlemville?
What is the average humidity in December in Schlemville?
How much does it rain in Schlemville in December?
How much does it snow in Schlemville in December?
What is the month with the shortest days in Schlemville?
What is the average length of the day in December in Schlemville?
When are sunrise and sunset in December in Schlemville?
How many hours of sunshine does Schlemville have in December?
When is the lowest UV index in Schlemville?
What is the UV index intensity in December in Schlemville?
Average temperature in December
Schlemville, PA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Schlemville, 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
Schlemville, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Schlemville, PA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Schlemville, PA
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Schlemville, PA
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Schlemville, PA
- Average snowfall in December: 1.5"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Schlemville, PA
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Schlemville, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Schlemville, PA
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Schlemville, PA
- Average UV index in December: 2
The months with the highest UV index are June and 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
Schlemville, PA
- Average cloud cover in December: 51
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Schlemville, 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).
Schlemville, Pennsylvania, USA
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