December weather forecastKeswick, VA
December
Weather in December
December, the first month of the winter in Keswick, is still a chilly month, with temperature in the range of an average high of 46.6°F (8.1°C) and an average low of 31.8°F (-0.1°C).Temperature
A mild drop in Keswick's average high-temperature is observed in December, transitioning from a cool 54.5°F (12.5°C) in November to a frosty 46.6°F (8.1°C). Keswick experiences an average low-temperature of 31.8°F (-0.1°C) in month of December.Humidity
May, September, October and December, with an average relative humidity of 76%, are the most humid months in Keswick.Rainfall
In Keswick, in December, during 9.2 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Keswick, there are 155.9 rainfall days, and 27.99" (711mm) of precipitation is accumulated.Snowfall
Months with snowfall in Keswick are January through April, November and December. In December, it is snowing for 1.9 days. Throughout December, 1.38" (35mm) of snow is accumulated. In Keswick, during the entire year, snow falls for 14.6 days and aggregates up to 10.43" (265mm) of snow.Daylight
The month with the shortest days in Keswick is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:54 pm. On the last day of December, in Keswick, sunrise is at 7:29 am and sunset at 5:04 pm EST.
Sunshine
The months with the least sunshine in Keswick, Virginia, are January and December, with an average of 5.4h of sunshine.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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Keswick, VA
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Keswick, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Keswick, VA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Keswick, VA
- Average humidity in December: 76%
The months with the highest relative humidity are May, September, October and December (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Keswick, VA
- Average rainfall in December: 2.36"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in December
Keswick, VA
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Keswick, VA
- Average snowfall in December: 1.38"
The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Keswick, VA
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Keswick, VA
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Keswick, VA
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is December (19.9 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in December
Keswick, VA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Keswick, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Keswick, VA
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, May, September, October and December (5mi).
