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
A subtle shift in Greentown's weather is observed as November turns into December, with the average high temperature reducing from a refreshing 57.7°F (14.3°C) to a fresh 50.5°F (10.3°C). During December, Greentown observes a consistent average nighttime temperature of 36.5°F (2.5°C).Humidity
The months with the highest humidity are May and December, with an average relative humidity of 78%.Rainfall
In Greentown, in December, during 10.5 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, in Greentown, there are 146.6 rainfall days, and 20.91" (531mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Greentown, during December, snow falls for 0.7 days and regularly aggregates up to 0.43" (11mm) of snow. Throughout the year, there are 6.5 snowfall days, and 3.31" (84mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:23 am and sunset at 5:05 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December in Greentown?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Greentown have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Greentown have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Greentown, VA
- Average high temperature in December: 50.5°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in December: 36.5°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 (30.6°F).
Average pressure in December
Greentown, VA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Greentown, VA
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Greentown, VA
- Average humidity in December: 78%
The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Greentown, VA
- Average rainfall in December: 1.69"
The wettest months (with the highest rainfall) are May and August (2.05").
The driest month (with the least rainfall) is October (1.1").
Average rainfall days in December
Greentown, VA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is October (8.3 days).
Average snowfall in December
Greentown, VA
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Greentown, VA
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.7 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
Greentown, 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: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Greentown, VA
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Greentown, 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 and December (UV index 2).
Average cloud cover in December
Greentown, VA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Greentown, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Greentown, Virginia, USA
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