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 shift from November to December coincides with a small decrease in the average high-temperature, down to a chilly 45.5°F (7.5°C) from a cool 52.9°F (11.6°C). Green Mountain observes an average low-temperature of 31.3°F (-0.4°C) during December nights.Humidity
February, March, May, September and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Green Mountain, during December, the rain falls for 11.5 days and regularly aggregates up to 3.58" (91mm) of precipitation. In Green Mountain, during the entire year, the rain falls for 190.3 days and collects up to 39.92" (1014mm) of precipitation.Snowfall
Months with snowfall in Green Mountain are January through May, October through December. December is the month with the most snowfall. Snow falls for 6.3 days and accumulates 6.57" (167mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:25 pm EST.
Sunshine
In December, the average sunshine is 5.2h.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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Green Mountain have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Green Mountain have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Green Mountain, NC
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Green Mountain, NC
- 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
Green Mountain, NC
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is January (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in December
Green Mountain, NC
- Average humidity in December: 80%
The months with the highest relative humidity are February, March, May, September and December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Green Mountain, NC
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is November (2.56").
Average rainfall days in December
Green Mountain, NC
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in December
Green Mountain, NC
- Average snowfall in December: 6.57"
The month with the highest snowfall is December (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Green Mountain, NC
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Green Mountain, NC
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Green Mountain, NC
- Average sunshine days in December: 14.8 days
The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in December
Green Mountain, NC
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Green Mountain, NC
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in December
Green Mountain, NC
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Green Mountain, North Carolina, USA
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