Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Fincastle's December weather features a light decline in high-temperatures, reducing from a fresh 54°F (12.2°C) in November to a chilly 45.7°F (7.6°C). Fincastle in December experiences a low-temperature average of 32°F (0°C).Humidity
In Fincastle, Virginia, the average relative humidity in December is 77%.Rainfall
In Fincastle, in December, during 9.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Fincastle, during the entire year, the rain falls for 134.1 days and collects up to 14.76" (375mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Fincastle, during December, snow falls for 2.4 days and regularly aggregates up to 1.18" (30mm) of snow. In Fincastle, during the entire year, snow falls for 13.8 days and aggregates up to 5.51" (140mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:11 pm EST.
Sunshine
In Fincastle, the average sunshine in December is 5.5h.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 minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Fincastle have in December?
When is the sunrise / sunset in December in Fincastle?
How many hours of sunshine does Fincastle have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Fincastle, VA
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in December: 32°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in December
Fincastle, VA
- 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 (29.98"Hg).
Average wind speed in December
Fincastle, VA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Fincastle, VA
- Average humidity in December: 77%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Fincastle, VA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in December
Fincastle, VA
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in December
Fincastle, VA
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Fincastle, VA
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4.3 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
Fincastle, VA
- Average daylight in December: 9h and 4min
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: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Fincastle, VA
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in December
Fincastle, 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
Fincastle, VA
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in December
Fincastle, VA
- Average visibility in December: 5mi
The months with the highest visibility are June, July and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October and December (5mi).
Fincastle, Virginia, USA
Weather forecast for your location
2. Allow the app to use your location