December weather forecastGlendower, PA
December
Weather in December
The first month of the winter, December, is also an icy month in Glendower, Pennsylvania, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 38.8°F (3.8°C).Temperature
Glendower's progression into December involves a drop in the average high-temperature, receding from a frosty 47.8°F (8.8°C) in November to a cold 38.8°F (3.8°C). December generally records an average low-temperature of 27.9°F (-2.3°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Glendower, there are 146 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Glendower, it is snowing for 3.1 days. Throughout December, 1.46" (37mm) of snow is accumulated. Throughout the year, there are 23 snowfall days, and 13.46" (342mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:48 pm EST.
Sunshine
In Glendower, the average sunshine in December is 4.5h.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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glendower, PA
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Glendower, PA
- Average pressure in December: 30.1"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
Glendower, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Glendower, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Glendower, PA
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in December
Glendower, PA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in December
Glendower, PA
- Average snowfall in December: 1.46"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Glendower, PA
- Average snowfall days in December: 3.1 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
Glendower, PA
- Average daylight in December: 9h and 18min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days in December
Glendower, PA
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Glendower, 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
Glendower, PA
- Average cloud cover in December: 53
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Glendower, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).
