December weather forecastBarton Mill, TN
December
Weather in December
The first month of the winter, December, is also a fresh month in Barton Mill, Tennessee, with an average temperature ranging between min 35.8°F (2.1°C) and max 50°F (10°C).Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from a refreshing 57.9°F (14.4°C) in November to a cool 50°F (10°C). In Barton Mill, an average temperature of 35.8°F (2.1°C) is noted during December nights.Humidity
The most humid month is December, with an average relative humidity of 79%.Rainfall
In Barton Mill, during December, the rain falls for 8.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Barton Mill, during the entire year, the rain falls for 122.6 days and collects up to 17.44" (443mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Barton Mill, in December, snow falls for 1.4 days, with typically accumulated 0.2" (5mm) of snow. In Barton Mill, during the entire year, snow falls for 8.3 days and aggregates up to 1.5" (38mm) of snow.Daylight
December has the shortest days of the year in Barton Mill, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:29 am and sunset at 5:25 pm. On the last day of December, in Barton Mill, sunrise is at 7:47 am and sunset at 5:35 pm EST.
Sunshine
January and December, with an average of 5.1h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Barton Mill, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Barton Mill, TN
- Average pressure in December: 30.15"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
Barton Mill, TN
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in December
Barton Mill, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).
Average rainfall in December
Barton Mill, TN
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in December
Barton Mill, TN
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in December
Barton Mill, TN
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Barton Mill, TN
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is January (2.5 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
Barton Mill, TN
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Barton Mill, TN
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (15.3 days).
Average UV index in December
Barton Mill, 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
Barton Mill, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Barton Mill, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
