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
December brings a decrease in the average high-temperature, shifting from a chilly 46.9°F (8.3°C) in November to a wintry 37°F (2.8°C). Pine Grove Mills's average low-temperature during December nights is observed to be a subzero cold 26.6°F (-3°C).Humidity
In Pine Grove Mills, the average relative humidity in December is 83%.Rainfall
In December, in Pine Grove Mills, Pennsylvania, the rain falls for 13.5 days. Throughout December, 2.6" (66mm) of precipitation is accumulated. In Pine Grove Mills, Pennsylvania, during the entire year, the rain falls for 174.7 days and collects up to 31.61" (803mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Pine Grove Mills, during December, snow falls for 11.9 days and regularly aggregates up to 5.16" (131mm) of snow. Throughout the year, there are 59.7 snowfall days, and 31.46" (799mm) of snow is accumulated.Daylight
The month with the shortest days in Pine Grove Mills, Pennsylvania, is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 4:44 pm. On the last day of December, in Pine Grove Mills, sunrise is at 7:35 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in December in Pine Grove Mills is 3.9h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Pine Grove Mills. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
How cold is it in Pine Grove Mills in December?
What is the average humidity in December in Pine Grove Mills?
How many days does it rain in December in Pine Grove Mills?
How many days does it snow in December in Pine Grove Mills?
What is the month with the shortest days in Pine Grove Mills?
What is the average length of the day in December in Pine Grove Mills?
When are sunrise and sunset in December in Pine Grove Mills?
How many hours of sunshine does Pine Grove Mills have in December?
What are the months with the lowest UV index in Pine Grove Mills?
What is the UV index reading in December in Pine Grove Mills?
Average temperature in December
Pine Grove Mills, PA
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Pine Grove Mills, 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 (29.95"Hg).
Average wind speed in December
Pine Grove Mills, PA
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Pine Grove Mills, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Pine Grove Mills, PA
- Average rainfall in December: 2.6"
The wettest months (with the highest rainfall) are April and May (3.35").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in December
Pine Grove Mills, PA
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Pine Grove Mills, PA
- Average snowfall in December: 5.16"
The month with the highest snowfall is February (8.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pine Grove Mills, PA
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is January (15.6 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 Mills, 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 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Pine Grove Mills, PA
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Pine Grove Mills, PA
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Pine Grove Mills, PA
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Pine Grove Mills, 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).
Pine Grove Mills, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
