December weather forecastAspers, PA
December
Weather in December
The first month of the winter, December, is also an icy month in Aspers, Pennsylvania, with temperature in the range of an average low of 29.8°F (-1.2°C) and an average high of 41.5°F (5.3°C).Temperature
In Aspers, the average high-temperature in December decreases from a cool 50.7°F (10.4°C) in November to a cold 41.5°F (5.3°C). In the month of December, the average temperature dips to a subzero cold 29.8°F (-1.2°C) during the night.Humidity
In December, the average relative humidity is 79%.Rainfall
In Aspers, during December, the rain falls for 7.5 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Aspers, during the entire year, the rain falls for 125 days and collects up to 12.13" (308mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Aspers, in December, during 3.4 snowfall days, 0.83" (21mm) of snow is typically accumulated. In Aspers, during the entire year, snow falls for 20.9 days and aggregates up to 4.8" (122mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 4:44 pm. On the last day of December, in Aspers, Pennsylvania, sunrise is at 7:30 am and sunset at 4:53 pm EST.
Sunshine
The average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December leads to these advisories:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Aspers, PA
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Aspers, 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
Aspers, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Aspers, PA
- Average humidity in December: 79%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in December
Aspers, PA
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is July (1.46").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in December
Aspers, PA
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5 days).
Average snowfall in December
Aspers, PA
- Average snowfall in December: 0.83"
The month with the highest snowfall is March (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Aspers, PA
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Aspers, PA
- Average daylight in December: 9h and 24min
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: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Aspers, PA
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is August (13.6 days).
Average UV index in December
Aspers, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Aspers, PA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Aspers, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





