December weather forecastPrinceton, WV
December
Weather in December
December in Princeton, West Virginia is characterized by the full sway of winter. Snowfall increases from the negligible levels of November, surprising locals and visitors alike with a dusting of snow. With the average high temperature dropping to 43.5°F (6.4°C), there's a crisp winter chill in the air. Don't forget to layer up before stepping out, as the average low temperatures tug on the winter coat tops. As the final month of the year, December serves as a cold but captivating end to the city's weather calendar.Temperature
December signifies a gentle decline in Princeton's average high-temperature, easing from a cool 51.3°F (10.7°C) in November to a frosty 43.5°F (6.4°C). In the month of December, the average low-temperature usually rests at a freezing cold 30.2°F (-1°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In December, in Princeton, the rain falls for 11.6 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Princeton, during the entire year, the rain falls for 174.7 days and collects up to 29.96" (761mm) of precipitation.Snowfall
Months with snowfall in Princeton are January through May, October through December. The month with the most snowfall is December, when snow falls for 9.5 days and typically aggregates up to 6.18" (157mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:20 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:16 pm EST.
Sunshine
In Princeton, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Princeton, WV
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in December
Princeton, WV
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Princeton, WV
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Princeton, WV
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (77%).
Average rainfall in December
Princeton, WV
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Princeton, WV
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (10 days).
Average snowfall in December
Princeton, WV
- Average snowfall in December: 6.18"
The month with the highest snowfall is December (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Princeton, WV
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Princeton, WV
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Princeton, WV
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are February and May (9.8 days).
Average UV index in December
Princeton, WV
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Princeton, WV
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Princeton, WV
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
