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
A shift in the average high-temperature occurs in December, reducing from a chilly 48.7°F (9.3°C) in November to a wintry 39.4°F (4.1°C). During the nights in December, an average low-temperature of 28.2°F (-2.1°C) is observed.Humidity
In December, the average relative humidity in Pillow is 80%.Rainfall
In Pillow, Pennsylvania, during December, the rain falls for 9.7 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, in Pillow, there are 148.4 rainfall days, and 25.55" (649mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Pillow, in December, during 4.9 snowfall days, 1.3" (33mm) of snow is typically accumulated. Throughout the year, in Pillow, there are 26.2 snowfall days, and 12.32" (313mm) of snow is accumulated.Daylight
The month with the shortest days in Pillow is December, with an average of 9h and 18min of daylight.On the first day of December in Pillow, Pennsylvania, sunrise is at 7:12 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:50 pm EST.
Sunshine
In December, the average sunshine in Pillow is 4.4h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold does it get in Pillow in December?
What is the average humidity in December in Pillow?
How much does it rain in Pillow in December?
How much does it snow in Pillow in December?
What is the month with the shortest days in Pillow?
How many hours of daylight does Pillow have in December?
When are sunrise and sunset in December in Pillow?
How long on average sun shines in December in Pillow?
What are the months with the lowest UV index in Pillow?
What is the UV index reading in December in Pillow?
Average temperature in December
Pillow, PA
- Average high temperature in December: 39.4°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Pillow, 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 (29.94"Hg).
Average wind speed in December
Pillow, PA
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Pillow, PA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Pillow, PA
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in December
Pillow, PA
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Pillow, PA
- Average snowfall in December: 1.3"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pillow, PA
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pillow, 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: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Pillow, PA
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Pillow, 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
Pillow, PA
- Average cloud cover in December: 54
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Pillow, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Pillow, Pennsylvania, USA
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