December weather forecastPleasantville, PA
December
Weather in December
The first month of the winter, December, is also an icy month in Pleasantville, Pennsylvania, with an average temperature varying between 35.8°F (2.1°C) and 25.3°F (-3.7°C).Temperature
Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 45.1°F (7.3°C) in November to a wintry 35.8°F (2.1°C). Pleasantville's nighttime temperature in December drops to an average of 25.3°F (-3.7°C).Humidity
In December, the average relative humidity in Pleasantville is 87%.Rainfall
In Pleasantville, during December, the rain falls for 9.6 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Pleasantville, during the entire year, the rain falls for 171.3 days and collects up to 35.08" (891mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Pleasantville, in December, snow falls for 15.1 days, with typically accumulated 7.87" (200mm) of snow. In Pleasantville, during the entire year, snow falls for 74.7 days and aggregates up to 35.79" (909mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:58 pm EST.
Sunshine
In Pleasantville, Pennsylvania, the average sunshine in December is 2.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Pleasantville. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pleasantville, PA
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in December
Pleasantville, 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
Pleasantville, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Pleasantville, PA
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May, June, July and August (79%).
Average rainfall in December
Pleasantville, PA
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is April (4.02").
The driest month (with the least rainfall) is November (2.32").
Average rainfall days in December
Pleasantville, PA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Pleasantville, PA
- Average snowfall in December: 7.87"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pleasantville, PA
- Average snowfall days in December: 15.1 days
The month with the highest number of snowfall days is January (20.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pleasantville, PA
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 2h and 24min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in December
Pleasantville, PA
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is November (12.4 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in December
Pleasantville, PA
- Average UV index in December: 1
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 and December (UV index 1).
Average cloud cover in December
Pleasantville, PA
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Pleasantville, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
