December weather forecastGraysburg, TN
December
Weather in December
December, the first month of the winter in Graysburg, is still a chilly month, with temperature in the range of an average low of 32.5°F (0.3°C) and an average high of 46.9°F (8.3°C).Temperature
Graysburg's progression into December involves a gentle drop in the average high-temperature, from a cool 54.5°F (12.5°C) in November to a frosty 46.9°F (8.3°C). December brings Graysburg a consistent average low-temperature of 32.5°F (0.3°C).Humidity
February and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Graysburg, Tennessee, during December, the rain falls for 12.7 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 175.9 rainfall days, and 31.93" (811mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall in Graysburg is December, when snow falls for 5.9 days and typically aggregates up to 3.74" (95mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Graysburg.On the first day of the month, sunrise is at 7:24 am and sunset at 5:15 pm. On the last day of December, in Graysburg, Tennessee, sunrise is at 7:41 am and sunset at 5:26 pm EST.
Sunshine
The average sunshine in December in Graysburg is 5.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Graysburg. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. 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. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Graysburg, TN
- Average high temperature in December: 46.9°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in December
Graysburg, TN
- 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
Graysburg, TN
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Graysburg, TN
- Average humidity in December: 79%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Graysburg, TN
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Graysburg, TN
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Graysburg, TN
- Average snowfall in December: 3.74"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Graysburg, TN
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Graysburg, TN
- Average daylight in December: 9h and 42min
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 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Graysburg, TN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Graysburg, TN
- 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 and December (UV index 2).
Average cloud cover in December
Graysburg, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Graysburg, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, September and December (5mi).
