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 aligns with a soft reduction in the average high-temperature, gently falling from a cool 53.4°F (11.9°C) in November to a chilly 45.5°F (7.5°C). In Massies Mill, an average nighttime temperature of 31.6°F (-0.2°C) is expected during December.Humidity
May, September, October and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In December, in Massies Mill, the rain falls for 10.3 days. Throughout December, 2.95" (75mm) of precipitation is accumulated. In Massies Mill, during the entire year, the rain falls for 158.7 days and collects up to 31.3" (795mm) of precipitation.Snowfall
Months with snowfall in Massies Mill are January through April, October through December. In Massies Mill, in December, snow falls for 2.5 days, with typically accumulated 2.17" (55mm) of snow. Throughout the year, in Massies Mill, there are 17.2 snowfall days, and 13.98" (355mm) of snow is accumulated.Daylight
December has the shortest days of the year in Massies Mill, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:07 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h 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 exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Massies Mill in December?
What is the most humid month in Massies Mill?
What is the average humidity in December in Massies Mill?
How much does it rain in Massies Mill in December?
How many days does it snow in December in Massies Mill?
What is the month with the shortest days in Massies Mill?
How many hours of daylight does Massies Mill have in December?
When is the sunrise / sunset in December in Massies Mill?
What is the month with the least sunshine in Massies Mill?
How long on average sun shines in December in Massies Mill?
What is the month with the lowest UV index in Massies Mill?
What is the UV index intensity in December in Massies Mill?
Average temperature in December
Massies Mill, VA
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Massies Mill, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Massies Mill, VA
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Massies Mill, VA
- Average humidity in December: 77%
The months with the highest relative humidity are May, September, October and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Massies Mill, VA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Massies Mill, VA
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Massies Mill, VA
- Average snowfall in December: 2.17"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Massies Mill, VA
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Massies Mill, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Massies Mill, VA
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in December
Massies Mill, 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
Massies Mill, VA
- Average cloud cover in December: 43
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
Massies Mill, VA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Massies Mill, Virginia, USA
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