December weather forecastBlountville, TN
December weather forecast for Blountville, Tennessee: The month with the most snowfall is December, when snow falls for 5.5 days and typically aggregates up to 3.31" (84mm) of snow. The month with the most snowfall is December, when snow falls for 5.5 days and typically aggregates up to 3.31" (84mm) of snow.
December
Weather in December
The first month of the winter, December, is still a chilly month in Blountville, Tennessee, with an average temperature varying between 32.7°F (0.4°C) and 47.1°F (8.4°C).Temperature
In Blountville, the average high-temperature in December slightly decreases from a refreshing 55.4°F (13°C) in November to a chilly 47.1°F (8.4°C). Blountville's average low-temperature during December nights is observed to be a wintry 32.7°F (0.4°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Blountville, in December, during 13.9 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 157.8 rainfall days, and 27.2" (691mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 5.5 days and typically aggregates up to 3.31" (84mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:24 pm EST.
Sunshine
In December, the average sunshine is 5.3h.UV index
January, February 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 unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blountville, TN
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Blountville, 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
Blountville, 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 (3.9mph).
Average humidity in December
Blountville, TN
- Average humidity in December: 78%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall in December
Blountville, TN
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in December
Blountville, TN
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Blountville, TN
- Average snowfall in December: 3.31"
The month with the highest snowfall is December (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Blountville, TN
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (9.3 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
Blountville, 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 18min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Blountville, TN
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in December
Blountville, TN
- 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 and December (UV index 2).
Average cloud cover in December
Blountville, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Blountville, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
