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 start of December involves a subtle temperature drop, shifting from a cool 52.2°F (11.2°C) in November to a frosty 44.6°F (7°C). During the month of December, the nighttime temperature falls to an average of 30.4°F (-0.9°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months in McCoy.Rainfall
In McCoy, in December, it is raining for 12.7 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, in McCoy, there are 183.5 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In McCoy, Virginia, during December, snow falls for 5.6 days and regularly aggregates up to 3.78" (96mm) of snow. In McCoy, during the entire year, snow falls for 34 days and aggregates up to 17.52" (445mm) of snow.Daylight
December has the shortest days of the year in McCoy, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:15 pm EST.
Sunshine
In December, the average sunshine in McCoy is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in McCoy. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in McCoy in December?
What are the most humid months in McCoy?
What is the average humidity in December in McCoy?
How much does it rain in McCoy in December?
How many days does it snow in December in McCoy?
What is the month with the shortest days in McCoy?
How many hours of daylight does McCoy have in December?
When is the sunrise / sunset in December in McCoy?
How long on average sun shines in December in McCoy?
When is the lowest UV index in McCoy?
What is the UV index reading in December in McCoy?
Average temperature in December
McCoy, VA
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in December: 30.4°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 (24.3°F).
Average pressure in December
McCoy, 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
McCoy, VA
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
McCoy, VA
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June and July (76%).
Average rainfall in December
McCoy, VA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
McCoy, VA
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
McCoy, VA
- Average snowfall in December: 3.78"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
McCoy, VA
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McCoy, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
McCoy, VA
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in December
McCoy, VA
- Average UV index in December: 2
The months with the highest UV index are 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
McCoy, VA
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and July (Cloud cover 37).
Average visibility in December
McCoy, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
McCoy, Virginia, USA
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