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
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a frosty 46.9°F (8.3°C) in November to a wintry 37°F (2.8°C). Throughout the nights in December, an average low-temperature of 26.2°F (-3.2°C) is noted.Humidity
February and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In Spring Mills, in December, during 11.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Spring Mills, Pennsylvania, there are 161.9 rainfall days, and 25.79" (655mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Spring Mills, in December, snow falls for 10.6 days, with typically accumulated 3.82" (97mm) of snow. Throughout the year, in Spring Mills, there are 54.8 snowfall days, and 19.88" (505mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Spring Mills.On the first day of December, sunrise is at 7:15 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in December in Spring Mills is 3.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
How cold is December in Spring Mills?
What are the most humid months in Spring Mills?
What is the average humidity in December in Spring Mills?
How many days does it rain in December in Spring Mills?
How much does it snow in Spring Mills in December?
What is the month with the shortest days in Spring Mills?
What is the average length of the day in December in Spring Mills?
What time are sunrise and sunset in December in Spring Mills?
How many hours of sunshine does Spring Mills have in December?
When is the lowest UV index in Spring Mills?
What is the UV index intensity in December in Spring Mills?
Average temperature in December
Spring Mills, PA
- Average high temperature in December: 37°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 (31.5°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Spring 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
Spring Mills, PA
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Spring Mills, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Spring Mills, PA
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in December
Spring Mills, PA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Spring Mills, PA
- Average snowfall in December: 3.82"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Spring Mills, PA
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spring Mills, 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 4min
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 30min).
Average sunshine days in December
Spring Mills, PA
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Spring Mills, PA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Spring Mills, PA
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Spring Mills, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Spring Mills, Pennsylvania, USA
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