December weather forecastWhitsett, PA
December
Weather in December
The first month of the winter, December, is also a wintry month in Whitsett, Pennsylvania, with an average temperature varying between 40.1°F (4.5°C) and 28.6°F (-1.9°C).Temperature
The transition into December indicates a reduction in the average high-temperature, down to an icy 40.1°F (4.5°C) from November's chilly 49.5°F (9.7°C). Whitsett's average low-temperature is measured at a freezing cold 28.6°F (-1.9°C) during December.Humidity
In Whitsett, the average relative humidity in December is 83%.Rainfall
In Whitsett, in December, it is raining for 8.4 days, with typically 1.06" (27mm) of accumulated precipitation. In Whitsett, during the entire year, the rain falls for 139.7 days and collects up to 12.95" (329mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Whitsett, Pennsylvania, during December, snow falls for 10.8 days and regularly aggregates up to 2.28" (58mm) of snow. Throughout the year, there are 53.8 snowfall days, and 10.79" (274mm) of snow is accumulated.Daylight
The month with the shortest days in Whitsett is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:03 pm EST.
Sunshine
In December, the average sunshine is 3.6h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Whitsett. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Whitsett, PA
- Average high temperature in December: 40.1°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 (34.2°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Whitsett, PA
- Average pressure in December: 30.11"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
Whitsett, 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
Whitsett, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Whitsett, PA
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in December
Whitsett, PA
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in December
Whitsett, PA
- Average snowfall in December: 2.28"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Whitsett, PA
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Whitsett, PA
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Whitsett, PA
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is January (9.7 days).
Average UV index in December
Whitsett, PA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Whitsett, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Whitsett, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





