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
In the transition to December, Bell Acres observes a drop in the average high-temperature, moving from a frosty 48.6°F (9.2°C) in November to a wintry 38.5°F (3.6°C). Bell Acres reports an average nighttime low-temperature of 27.7°F (-2.4°C) in December.Humidity
In Bell Acres, the average relative humidity in December is 84%.Rainfall
In Bell Acres, in December, during 12.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 171.3 rainfall days, and 25.79" (655mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Bell Acres. In December, it is snowing for 12 days. Throughout December, 2.05" (52mm) of snow is accumulated. Throughout the year, there are 56.4 snowfall days, and 12.36" (314mm) 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 the month, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:44 am and sunset at 5:03 pm EST.
Sunshine
The average sunshine in December is 3.3h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Bell Acres have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Bell Acres have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Bell Acres, PA
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Bell Acres, PA
- Average pressure in December: 30.11"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
Bell Acres, PA
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Bell Acres, PA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in December
Bell Acres, PA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in December
Bell Acres, PA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Bell Acres, PA
- Average snowfall in December: 2.05"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bell Acres, PA
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bell Acres, 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: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Bell Acres, PA
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in December
Bell Acres, PA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Bell Acres, PA
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Bell Acres, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
Bell Acres, Pennsylvania, USA
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