December weather forecastElverson, PA
December
Weather in December
The first month of the winter, December, is still a cold month in Elverson, Pennsylvania, with an average temperature fluctuating between 41.4°F (5.2°C) and 30°F (-1.1°C).Temperature
As November makes way for December, Elverson's average high-temperature eases from a fresh 50.4°F (10.2°C) to an icy 41.4°F (5.2°C). December nights observe an average temperature dip to a subzero cold 30°F (-1.1°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Elverson, Pennsylvania, in December, during 11.1 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 162.2 rainfall days, and 27.87" (708mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 3.6 days. Throughout December, 1.42" (36mm) of snow is accumulated. Throughout the year, there are 22.9 snowfall days, and 10.35" (263mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Elverson.On the first day of the month, sunrise is at 7:07 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:47 pm EST.
Sunshine
In Elverson, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind you! Snow reflection can increase the intensity of 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
Elverson, PA
- Average high temperature in December: 41.4°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Elverson, PA
- Average pressure in December: 30.09"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
Elverson, PA
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Elverson, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Elverson, PA
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Elverson, PA
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in December
Elverson, PA
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Elverson, PA
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Elverson, 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 42min).
Average sunshine days in December
Elverson, PA
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in December
Elverson, 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, March, November and December (UV index 2).
Average cloud cover in December
Elverson, PA
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Elverson, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).
