December weather forecastMainesburg, PA
December
Weather in December
December, the first month of the winter in Mainesburg, is still a cold month, with an average temperature ranging between min 25°F (-3.9°C) and max 34.7°F (1.5°C).Temperature
With the onset of December, Mainesburg's average high-temperature adjusts, receding from November's chilly 44.1°F (6.7°C) to an icy 34.7°F (1.5°C). In December, the recorded average low-temperature is a freezing cold 25°F (-3.9°C).Humidity
In Mainesburg, the average relative humidity in December is 84%.Rainfall
In Mainesburg, in December, it is raining for 12.3 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, in Mainesburg, there are 172.3 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Mainesburg, Pennsylvania, in December, during 16.3 snowfall days, 6.65" (169mm) of snow is typically accumulated. Throughout the year, there are 82.3 snowfall days, and 37.13" (943mm) of snow is accumulated.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 7:16 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:47 pm EST.
Sunshine
The months with the least sunshine in Mainesburg, Pennsylvania, are January, February and December, with an average of 3.2h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Mainesburg. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mainesburg, PA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in December
Mainesburg, 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
Mainesburg, PA
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Mainesburg, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
Mainesburg, PA
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Mainesburg, PA
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in December
Mainesburg, PA
- Average snowfall in December: 6.65"
The month with the highest snowfall is February (8.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mainesburg, PA
- Average snowfall days in December: 16.3 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mainesburg, PA
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 12min).
Average sunshine days in December
Mainesburg, PA
- Average sunshine days in December: 7.9 days
The month with the most sunshine days is September (13.6 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in December
Mainesburg, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Mainesburg, PA
- Average cloud cover in December: 68
The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Mainesburg, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
