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
Stony, Virginia, experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a cool 53.2°F (11.8°C) in November to a frosty 45.3°F (7.4°C). December is noted for a mean low-temperature of 32°F (0°C).Humidity
In Stony, Virginia, the average relative humidity in December is 80%.Rainfall
In Stony, during December, the rain falls for 14.4 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, in Stony, Virginia, there are 197.7 rainfall days, and 36.69" (932mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Stony, during December, snow falls for 8.1 days and regularly aggregates up to 4.17" (106mm) of snow. In Stony, during the entire year, snow falls for 41.9 days and aggregates up to 19.8" (503mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December in Stony, sunrise is at 7:24 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:23 pm EST.
Sunshine
In December, the average sunshine is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the usual temperature for Stony in December?
What is the average humidity in December in Stony?
How many days does it rain in December in Stony?
How many days does it snow in December in Stony?
What is the month with the shortest days in Stony?
How many hours of daylight does Stony have in December?
What time are sunrise and sunset in December in Stony?
How long on average sun shines in December in Stony?
What is the month with the lowest UV index in Stony?
What is the UV index reading in December in Stony?
Average temperature in December
Stony, VA
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in December: 32°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Stony, 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 (29.99"Hg).
Average wind speed in December
Stony, VA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Stony, VA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Stony, VA
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is February (3.86").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Stony, VA
- Average rainfall days in December: 14.4 days
The months with the highest number of rainy days are May and July (21.1 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in December
Stony, VA
- Average snowfall in December: 4.17"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Stony, VA
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stony, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Stony, VA
- Average sunshine days in December: 12 days
The months with the most sunshine days are October and November (15 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in December
Stony, VA
- Average UV index in December: 2
The months with the highest UV index are June 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
Stony, VA
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Stony, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Stony, Virginia, USA
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