Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Pine Grove Furnace observes a minor decrease in the average high-temperature with the arrival of December, falling from November's chilly 49.8°F (9.9°C) to a wintry 40.8°F (4.9°C). December brings Pine Grove Furnace a consistent average low-temperature of 28.9°F (-1.7°C).Humidity
The average relative humidity in December is 79%.Rainfall
In Pine Grove Furnace, during December, the rain falls for 10.8 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in Pine Grove Furnace, there are 158 rainfall days, and 28.03" (712mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Pine Grove Furnace, in December, snow falls for 4.9 days, with typically accumulated 1.89" (48mm) of snow. In Pine Grove Furnace, during the entire year, snow falls for 29.2 days and aggregates up to 15.31" (389mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:12 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in December is 4.6h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. 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
Is it cold during December?
What is the average humidity in December in Pine Grove Furnace?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Pine Grove Furnace have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Pine Grove Furnace, PA
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Pine Grove Furnace, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Pine Grove Furnace, PA
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Pine Grove Furnace, PA
- Average humidity in December: 79%
The months with the highest relative humidity are February, May and October (80%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Pine Grove Furnace, PA
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Pine Grove Furnace, PA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Pine Grove Furnace, PA
- Average snowfall in December: 1.89"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pine Grove Furnace, PA
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pine Grove Furnace, PA
- Average daylight in December: 9h and 2min
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 4min
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 24min).
Average sunshine days in December
Pine Grove Furnace, PA
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Pine Grove Furnace, 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
Pine Grove Furnace, PA
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Pine Grove Furnace, PA
- Average visibility in December: 6mi
The months with the highest visibility are April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, February, March, May, September and October (5mi).
Pine Grove Furnace, Pennsylvania, USA
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