December weather forecastBig Beaver, PA
December
Weather in December
The first month of the winter, December, is still a cold month in Big Beaver, Pennsylvania, with an average temperature fluctuating between 38.3°F (3.5°C) and 27.1°F (-2.7°C).Temperature
The onset of December introduces a moderate change in Big Beaver's weather, with average high-temperatures falling from November's frosty 47.8°F (8.8°C) to an icy 38.3°F (3.5°C). During December, the average low-temperature is recorded at a freezing cold 27.1°F (-2.7°C).Humidity
In Big Beaver, the average relative humidity in December is 85%.Rainfall
In Big Beaver, in December, during 10.6 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Big Beaver, during the entire year, the rain falls for 168.9 days and collects up to 24.25" (616mm) of precipitation.Snowfall
Months with snowfall in Big Beaver are January through May, October through December. In December, in Big Beaver, it is snowing for 14.1 days. Throughout December, 3.5" (89mm) of snow is accumulated. In Big Beaver, during the entire year, snow falls for 69 days and aggregates up to 17.17" (436mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:27 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:03 pm EST.
Sunshine
In December, the average sunshine is 3.2h.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 hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 1 in December translates into these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Big Beaver, PA
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Big Beaver, 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 (29.94"Hg).
Average wind speed in December
Big Beaver, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Big Beaver, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Big Beaver, PA
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in December
Big Beaver, PA
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Big Beaver, PA
- Average snowfall in December: 3.5"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Big Beaver, PA
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Big Beaver, PA
- Average daylight in December: 9h and 18min
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 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Big Beaver, PA
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in December
Big Beaver, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Big Beaver, PA
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Big Beaver, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
