December weather forecastCoilton, PA
December
Weather in December
December, the first month of the winter in Coilton, is also a wintry month, with an average temperature ranging between max 40.1°F (4.5°C) and min 28.9°F (-1.7°C).Temperature
Coilton's December weather comes with a decrease in average high-temperatures, moving from a chilly 49.8°F (9.9°C) in November to a cold 40.1°F (4.5°C). The average temperature in Coilton drops to a freezing cold 28.9°F (-1.7°C) during the night in the month of December.Humidity
February, October and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Coilton, Pennsylvania, in December, it is raining for 10.1 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 156.5 rainfall days, and 31.97" (812mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Coilton, in December, snow falls for 4.4 days, with typically accumulated 2.2" (56mm) of snow. In Coilton, during the entire year, snow falls for 23.7 days and aggregates up to 13.39" (340mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of December, in Coilton, sunrise is at 7:24 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December in Coilton is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Coilton. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coilton, PA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Coilton, 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
Coilton, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Coilton, PA
- Average humidity in December: 81%
The months with the highest relative humidity are February, October and December (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Coilton, PA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Coilton, PA
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Coilton, PA
- Average snowfall in December: 2.2"
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Coilton, PA
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Coilton, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Coilton, PA
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Coilton, 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
Coilton, PA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Coilton, PA
- Average visibility in December: 5mi
The months with the highest visibility are March, April and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September, October and December (5mi).
