December weather forecastEcho Valley, TN
December
Weather in December
The first month of the winter, December, is also a frosty month in Echo Valley, Tennessee, with an average temperature varying between 35.4°F (1.9°C) and 49.1°F (9.5°C).Temperature
Echo Valley observes a small decrease in the average high-temperature with the arrival of December, falling from November's refreshing 57°F (13.9°C) to a chilly 49.1°F (9.5°C). In Echo Valley, an average nighttime temperature of 35.4°F (1.9°C) is expected during December.Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
In Echo Valley, in December, it is raining for 14.2 days, with typically 3.86" (98mm) of accumulated precipitation. Throughout the year, there are 177.6 rainfall days, and 37.91" (963mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Echo Valley. In December, it is snowing for 3.5 days. Throughout December, 0.83" (21mm) of snow is accumulated. Throughout the year, there are 19 snowfall days, and 5.59" (142mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:28 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:32 pm EST.
Sunshine
In Echo Valley, the average sunshine in December is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Echo Valley, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Echo Valley, TN
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Echo Valley, TN
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
Echo Valley, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Echo Valley, TN
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Echo Valley, TN
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Echo Valley, TN
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Echo Valley, TN
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (5.5 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
Echo Valley, TN
- Average daylight in December: 9h and 48min
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 12min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Echo Valley, TN
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Echo Valley, 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
Echo Valley, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Echo Valley, TN
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
