December weather forecastDemunds Corners, PA
December
Weather in December
The first month of the winter, December, is also an icy month in Demunds Corners, Pennsylvania, with an average temperature ranging between max 36.1°F (2.3°C) and min 25.7°F (-3.5°C).Temperature
December implies a gentle temperature shift, with average high-temperatures reducing from November's chilly 45.7°F (7.6°C) to a wintry 36.1°F (2.3°C). Demunds Corners's nights in December cool down to an average low-temperature of 25.7°F (-3.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 84%.Rainfall
In Demunds Corners, in December, during 10.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Demunds Corners, during the entire year, the rain falls for 154.5 days and collects up to 25.63" (651mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Demunds Corners. In Demunds Corners, in December, snow falls for 11.6 days, with typically accumulated 3.9" (99mm) of snow. In Demunds Corners, during the entire year, snow falls for 58.2 days and aggregates up to 26.1" (663mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:11 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December in Demunds Corners is 3.8h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Demunds Corners, PA
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Demunds Corners, 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
Demunds Corners, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Demunds Corners, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in December
Demunds Corners, PA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Demunds Corners, PA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Demunds Corners, PA
- Average snowfall in December: 3.9"
The month with the highest snowfall is February (7.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Demunds Corners, PA
- Average snowfall days in December: 11.6 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Demunds Corners, 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: 3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Demunds Corners, PA
- Average sunshine days in December: 12 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in December
Demunds Corners, 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
Demunds Corners, PA
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Demunds Corners, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
