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 commencement of December involves a temperature shift, with the average high-temperature dropping from a chilly 46.9°F (8.3°C) in November to a wintry 37°F (2.8°C). North Mountain experiences an average low-temperature of 27°F (-2.8°C) in month of December.Humidity
In North Mountain, the average relative humidity in December is 82%.Rainfall
In December, in North Mountain, the rain falls for 12.7 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 168 rainfall days, and 27.32" (694mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In North Mountain, in December, during 10 snowfall days, 2.95" (75mm) of snow is typically accumulated. Throughout the year, there are 48.3 snowfall days, and 17.68" (449mm) of snow is accumulated.Daylight
The month with the shortest days in North Mountain is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:47 pm EST.
Sunshine
In North Mountain, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is December in North Mountain?
What is the average humidity in December in North Mountain?
How many days does it rain in December in North Mountain?
How much does it snow in North Mountain in December?
What is the month with the shortest days in North Mountain?
What is the average length of the day in December in North Mountain?
When is the sunrise / sunset in December in North Mountain?
How many hours of sunshine does North Mountain have in December?
What is the month with the lowest UV index in North Mountain?
What is the UV index reading in December in North Mountain?
Average temperature in December
North Mountain, PA
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 27°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 (19°F).
Average pressure in December
North Mountain, 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
North Mountain, PA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
North Mountain, PA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
North Mountain, PA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in December
North Mountain, PA
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in December
North Mountain, PA
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
North Mountain, PA
- Average snowfall days in December: 10 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
North Mountain, 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: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in December
North Mountain, PA
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (10 days).
Average UV index in December
North Mountain, PA
- Average UV index in December: 2
The month with the highest UV index is 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
North Mountain, PA
- Average cloud cover in December: 58
The months with the most cloud cover are January, February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
North Mountain, 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).
North Mountain, Pennsylvania, USA
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