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
Fassett in December undergoes a mild reduction in the average high-temperature, shifting from November's chilly 45.5°F (7.5°C) to a cold 35.2°F (1.8°C). In the month of December, Fassett experiences an average low-temperature of 25.5°F (-3.6°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In Fassett, in December, it is raining for 10.3 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 153.6 rainfall days, and 23.78" (604mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Fassett, during December, snow falls for 13.1 days and regularly aggregates up to 3.39" (86mm) of snow. Throughout the year, there are 69.1 snowfall days, and 21.69" (551mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:16 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:45 pm EST.
Sunshine
The average sunshine in December is 3.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Fassett have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Fassett have in December?
What is the month with the lowest UV index?
How high is the UV index in December in Fassett?
Average temperature in December
Fassett, PA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Fassett, PA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Fassett, PA
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Fassett, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April, May, June and July (78%).
Average rainfall in December
Fassett, PA
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Fassett, PA
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Fassett, PA
- Average snowfall in December: 3.39"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Fassett, PA
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fassett, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Fassett, PA
- Average sunshine days in December: 10 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Fassett, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Fassett, PA
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Fassett, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Fassett, Pennsylvania, USA
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