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
With December's arrival, Mount Pleasant Mills sees a decrease in average high-temperatures, moving from a chilly 48.7°F (9.3°C) in November to an icy 39°F (3.9°C). Throughout the month of December, Mount Pleasant Mills reports a steady low-temperature average of 28°F (-2.2°C).Humidity
The average relative humidity in December is 80%.Rainfall
In December, the rain falls for 11.6 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Mount Pleasant Mills, Pennsylvania, there are 162.8 rainfall days, and 28.46" (723mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mount Pleasant Mills, Pennsylvania, are January through May, October through December. In Mount Pleasant Mills, in December, during 6.7 snowfall days, 2.17" (55mm) of snow is typically accumulated. Throughout the year, there are 38.9 snowfall days, and 17.24" (438mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Mount Pleasant Mills, sunrise is at 7:13 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:50 pm EST.
Sunshine
In December, the average sunshine in Mount Pleasant Mills is 4.4h.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 health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 1 during December translates into the following guidance:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Mount Pleasant Mills in December?
What is the average humidity in December in Mount Pleasant Mills?
How many days does it rain in December in Mount Pleasant Mills?
How many days does it snow in December in Mount Pleasant Mills?
What is the month with the shortest days in Mount Pleasant Mills?
How many hours of daylight does Mount Pleasant Mills have in December?
When is the sunrise / sunset in December in Mount Pleasant Mills?
How many hours of sunshine does Mount Pleasant Mills have in December?
When is the lowest UV index in Mount Pleasant Mills?
What is the UV index intensity in December in Mount Pleasant Mills?
Average temperature in December
Mount Pleasant Mills, PA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Mount Pleasant 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
Mount Pleasant Mills, PA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Mount Pleasant Mills, PA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in December
Mount Pleasant Mills, PA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in December
Mount Pleasant Mills, PA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Mount Pleasant Mills, PA
- Average snowfall in December: 2.17"
The month with the highest snowfall is February (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mount Pleasant Mills, PA
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Pleasant 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 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Mount Pleasant Mills, PA
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is November (16.8 days).
The months with the least sunshine days are February and May (11 days).
Average UV index in December
Mount Pleasant 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
Mount Pleasant Mills, PA
- Average cloud cover in December: 54
The months with the most cloud cover are January, February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Mount Pleasant Mills, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).
Mount Pleasant Mills, Pennsylvania, USA
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