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
Arrival of December comes with a reduction in the average high-temperature, falling from a frosty 46.9°F (8.3°C) in November to a wintry 37.2°F (2.9°C). Scanlin's nighttime temperature in December drops to an average of 26.2°F (-3.2°C).Humidity
In December, the average relative humidity in Scanlin is 83%.Rainfall
In Scanlin, in December, during 7.3 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Scanlin, during the entire year, the rain falls for 111.5 days and collects up to 11.34" (288mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Scanlin. In Scanlin, in December, during 5.3 snowfall days, 1.02" (26mm) of snow is typically accumulated. Throughout the year, in Scanlin, Pennsylvania, there are 31.5 snowfall days, and 7.28" (185mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December in Scanlin, sunrise is at 7:10 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:46 pm EST.
Sunshine
The average sunshine in December in Scanlin is 3.9h.UV index
The months with the lowest UV index in Scanlin are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is it in Scanlin in December?
What is the average humidity in December in Scanlin?
How many days does it rain in December in Scanlin?
How many days does it snow in December in Scanlin?
What is the month with the shortest days in Scanlin?
How many hours of daylight does Scanlin have in December?
What time are sunrise and sunset in December in Scanlin?
How many hours of sunshine does Scanlin have in December?
What is the month with the lowest UV index in Scanlin?
What is the UV index intensity in December in Scanlin?
Average temperature in December
Scanlin, PA
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Scanlin, PA
- Average pressure in December: 30.09"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
Scanlin, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Scanlin, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).
Average rainfall in December
Scanlin, PA
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Scanlin, PA
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in December
Scanlin, PA
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Scanlin, PA
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Scanlin, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
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: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Scanlin, PA
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in December
Scanlin, PA
- Average UV index in December: 2
The month with the highest UV index is July (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
Scanlin, PA
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Scanlin, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Scanlin, Pennsylvania, USA
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