December weather forecastBellwood, PA
December
Weather in December
December, the first month of the winter in Bellwood, is still a cold month, with an average temperature varying between 36.9°F (2.7°C) and 26.6°F (-3°C).Temperature
In Bellwood, the average high-temperature in December drops from a frosty 46.6°F (8.1°C) in November to a wintry 36.9°F (2.7°C). Throughout December, an average low-temperature of 26.6°F (-3°C) is experienced.Humidity
The average relative humidity in December is 84%.Rainfall
In Bellwood, in December, during 12.3 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 165 rainfall days, and 25.31" (643mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Bellwood, in December, during 11.1 snowfall days, 3.5" (89mm) of snow is typically accumulated. In Bellwood, during the entire year, snow falls for 58.4 days and aggregates up to 20.59" (523mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:56 pm EST.
Sunshine
The average sunshine in December is 3.7h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bellwood, PA
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Bellwood, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Bellwood, PA
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Bellwood, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
Bellwood, PA
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is November (1.57").
Average rainfall days in December
Bellwood, PA
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in December
Bellwood, PA
- Average snowfall in December: 3.5"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bellwood, PA
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bellwood, PA
- Average daylight in December: 9h and 18min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Bellwood, PA
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in December
Bellwood, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Bellwood, PA
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Bellwood, 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).
