December weather forecastWest Bowmans, PA
December
Weather in December
December, the first month of the winter in West Bowmans, is still a cold month, with an average temperature fluctuating between 38.3°F (3.5°C) and 27.5°F (-2.5°C).Temperature
West Bowmans's December weather shows a moderate shift in high-temperatures, falling from November's chilly 48.2°F (9°C) to an icy 38.3°F (3.5°C). West Bowmans experiences a mean temperature of 27.5°F (-2.5°C) during December nights.Humidity
In December, the average relative humidity in West Bowmans, Pennsylvania, is 82%.Rainfall
In West Bowmans, in December, during 11.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 155.1 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in West Bowmans, Pennsylvania. In West Bowmans, during December, snow falls for 4.6 days and regularly aggregates up to 2.6" (66mm) of snow. Throughout the year, there are 34 snowfall days, and 16.73" (425mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:45 pm EST.
Sunshine
In West Bowmans, the average sunshine in December is 4.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in West Bowmans, Pennsylvania. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Bowmans, PA
- Average high temperature in December: 38.3°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 (32.5°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
West Bowmans, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
West Bowmans, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
West Bowmans, PA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
West Bowmans, PA
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
West Bowmans, PA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
West Bowmans, PA
- Average snowfall in December: 2.6"
The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Bowmans, PA
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Bowmans, 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: 4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
West Bowmans, PA
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
West Bowmans, 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
West Bowmans, PA
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
West Bowmans, 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).





