December weather forecastTroy, VA
December
Weather in December
The first month of the winter, December, is still a chilly month in Troy, Virginia, with an average temperature fluctuating between 46.8°F (8.2°C) and 32.9°F (0.5°C).Temperature
The onset of December brings a small shift in high-temperatures, falling from a fresh 54.7°F (12.6°C) in November to a chilly 46.8°F (8.2°C). During December, Troy experiences a consistent low-temperature average of 32.9°F (0.5°C).Humidity
With an average relative humidity of 78%, December is the most humid month.Rainfall
In Troy, during December, the rain falls for 10.1 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 154.2 rainfall days, and 28.54" (725mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Troy, in December, snow falls for 1.9 days, with typically accumulated 1.5" (38mm) of snow. In Troy, during the entire year, snow falls for 15.3 days and aggregates up to 10.39" (264mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:03 pm EST.
Sunshine
December has the least sunshine of the year in Troy, 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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Troy, VA
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Troy, 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
Troy, VA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Troy, VA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Troy, VA
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Troy, VA
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Troy, VA
- Average snowfall in December: 1.5"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Troy, VA
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (4.9 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
Troy, 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 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Troy, VA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Troy, 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
Troy, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Troy, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are February, May, September and December (5mi).
