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 cool 52.7°F (11.5°C) in November to a chilly 43.7°F (6.5°C). December nights in Paper Mills, Pennsylvania, cool down to an average low-temperature of 32.5°F (0.3°C).Humidity
In Paper Mills, the average relative humidity in December is 76%.Rainfall
In Paper Mills, Pennsylvania, during December, the rain falls for 9.8 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Paper Mills, during the entire year, the rain falls for 153.8 days and collects up to 30.94" (786mm) of precipitation.Snowfall
Months with snowfall in Paper Mills are January through May, November and December. In Paper Mills, in December, snow falls for 2.7 days, with typically accumulated 1.18" (30mm) of snow. In Paper Mills, during the entire year, snow falls for 16.8 days and aggregates up to 8.5" (216mm) of snow.Daylight
December has the shortest days of the year in Paper Mills, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine in Paper Mills is 5h.UV index
The months with the lowest UV index in Paper Mills, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
How cold is December in Paper Mills?
What is the average humidity in December in Paper Mills?
How much does it rain in Paper Mills in December?
How many days does it snow in December in Paper Mills?
What is the month with the shortest days in Paper Mills?
What is the average length of the day in December in Paper Mills?
What time are sunrise and sunset in December in Paper Mills?
How many hours of sunshine does Paper Mills have in December?
What are the months with the lowest UV index in Paper Mills?
What is the UV index intensity in December in Paper Mills?
Average temperature in December
Paper Mills, PA
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Paper Mills, 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 (29.93"Hg).
Average wind speed in December
Paper Mills, PA
- Average wind speed in December: 7.7mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Paper Mills, PA
- Average humidity in December: 76%
The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall in December
Paper Mills, PA
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in December
Paper Mills, PA
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Paper Mills, PA
- Average snowfall in December: 1.18"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Paper Mills, PA
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Paper 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 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Paper Mills, PA
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Paper Mills, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (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
Paper Mills, PA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Paper Mills, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Paper Mills, Pennsylvania, USA
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