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 mild drop in Greentown's average high-temperature is observed in December, transitioning from a mild 57.7°F (14.3°C) in November to a cool 50.5°F (10.3°C). Throughout the month of December, Greentown sees a steady low-temperature average of 36.5°F (2.5°C).Humidity
The months with the highest humidity in Greentown are May and December, with an average relative humidity of 78%.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 146.6 rainfall days, and 20.91" (531mm) of precipitation is accumulated.Snowfall
Months with snowfall in Greentown, Virginia, are January through March, November and December. In Greentown, during December, snow falls for 0.7 days and regularly aggregates up to 0.43" (11mm) of snow. In Greentown, during the entire year, snow falls for 6.5 days and aggregates up to 3.31" (84mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.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
The months with the lowest UV index in Greentown are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What is the average December temperature in Greentown?
What are the most humid months in Greentown?
What is the average humidity in December in Greentown?
How many days does it rain in December in Greentown?
How much does it snow in Greentown in December?
What is the month with the shortest days in Greentown?
What is the average length of the day in December in Greentown?
When is the sunrise / sunset in December in Greentown?
What is the month with the least sunshine in Greentown?
How long on average sun shines in December in Greentown?
When is the lowest UV index in Greentown?
What is the UV index reading in December in Greentown?
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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