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
Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a frosty 48.4°F (9.1°C) to a cold 38.8°F (3.8°C). Spring Run temperatures generally rest at a low of 27.5°F (-2.5°C) during the December nights.Humidity
In December, the average relative humidity in Spring Run is 81%.Rainfall
In Spring Run, Pennsylvania, during December, the rain falls for 10.9 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Spring Run, during the entire year, the rain falls for 164.3 days and collects up to 28.19" (716mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Spring Run, in December, during 7.7 snowfall days, 2.56" (65mm) of snow is typically accumulated. Throughout the year, in Spring Run, there are 40.6 snowfall days, and 17.91" (455mm) of snow is accumulated.Daylight
December has the shortest days of the year in Spring Run, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:46 pm. On the last day of December, in Spring Run, sunrise is at 7:33 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine in Spring Run is 4.3h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is it in Spring Run in December?
What is the average humidity in December in Spring Run?
How many days does it rain in December in Spring Run?
How much does it snow in Spring Run in December?
What is the month with the shortest days in Spring Run?
How many hours of daylight does Spring Run have in December?
When is the sunrise / sunset in December in Spring Run?
How many hours of sunshine does Spring Run have in December?
What are the months with the lowest UV index in Spring Run?
What is the UV index reading in December in Spring Run?
Average temperature in December
Spring Run, PA
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Spring Run, 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
Spring Run, PA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Spring Run, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Spring Run, PA
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Spring Run, PA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in December
Spring Run, PA
- Average snowfall in December: 2.56"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Spring Run, PA
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spring Run, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Spring Run, PA
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Spring Run, PA
- Average UV index in December: 2
The months with the highest UV index are May and 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
Spring Run, PA
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Spring Run, 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).
Spring Run, Pennsylvania, USA
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