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
The onset of December results in a small decrease in the average high-temperature, moderately receding from a moderate 57.6°F (14.2°C) in November to a cool 50.2°F (10.1°C). During December, Garysville's temperature averages to an icy 35.6°F (2°C) at night.Humidity
With an average relative humidity of 78%, December is the most humid month in Garysville.Rainfall
In Garysville, in December, it is raining for 7.1 days, with typically 0.59" (15mm) of accumulated precipitation. In Garysville, during the entire year, the rain falls for 104.8 days and collects up to 8.58" (218mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Garysville, during December, snow falls for 0.7 days and regularly aggregates up to 0.04" (1mm) of snow. In Garysville, during the entire year, snow falls for 4.7 days and aggregates up to 0.71" (18mm) of snow.Daylight
The month with the shortest days in Garysville is December, with an average of 9h and 42min of daylight.On the first day of December in Garysville, sunrise is at 7:04 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:01 pm EST.
Sunshine
February and December, with an average of 5.4h of sunshine, are months with the least sunshine in Garysville.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Garysville. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Garysville in December?
What is the most humid month in Garysville?
What is the average humidity in December in Garysville?
How many days does it rain in December in Garysville?
How much does it snow in Garysville in December?
What is the month with the shortest days in Garysville?
How many hours of daylight does Garysville have in December?
What time are sunrise and sunset in December in Garysville?
What is the month with the least sunshine in Garysville?
How long on average sun shines in December in Garysville?
What is the month with the lowest UV index in Garysville?
What is the UV index intensity in December in Garysville?
Average temperature in December
Garysville, VA
- Average high temperature in December: 50.2°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Garysville, 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 (29.95"Hg).
Average wind speed in December
Garysville, VA
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Garysville, 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
Garysville, VA
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in December
Garysville, VA
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in December
Garysville, VA
- Average snowfall in December: 0.04"
The months with the highest snowfall are January, February and March (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Garysville, VA
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is January (1.5 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
Garysville, 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 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Garysville, VA
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is October (23.1 days).
The month with the least sunshine days is May (16.2 days).
Average UV index in December
Garysville, VA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Garysville, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Garysville, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Garysville, Virginia, USA
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