December weather forecastBartlett, TN
December
Weather in December
December concludes the climatic calendar for Bartlett, sporting the second-lowest average high temperature at 50.9°F (10.5°C). Cloud coverage maximizes as daylight quietly retreats, providing fewer sunshine hours. The consistent wind cuts through the winter chill while rain and snowfall make their appearances. Even in the decreased temperature and light, Bartlett residents heartily bob along to the beat of the fetching winter and the celebratory end-year festivities.Temperature
December's onset brings a negligible change in high-temperatures, falling from a mild 58.6°F (14.8°C) in November to a fresh 50.9°F (10.5°C). Bartlett, in December, witnesses an average low-temperature of 38.3°F (3.5°C).Humidity
March and December, with an average relative humidity of 78%, are the most humid months in Bartlett.Rainfall
In Bartlett, Tennessee, in December, it is raining for 9.9 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 138.3 rainfall days, and 20.94" (532mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.8 days. Throughout December, 0.12" (3mm) of snow is accumulated. Throughout the year, there are 5 snowfall days, and 0.79" (20mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:07 am and sunset at 4:57 pm CST.
Sunshine
The average sunshine in December is 5h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Bartlett, Tennessee. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bartlett, TN
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Bartlett, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Bartlett, TN
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Bartlett, TN
- Average humidity in December: 78%
The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Bartlett, TN
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is July (2.4").
The driest months (with the least rainfall) are January and November (1.06").
Average rainfall days in December
Bartlett, TN
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is October (7.6 days).
Average snowfall in December
Bartlett, TN
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Bartlett, TN
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bartlett, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Bartlett, TN
- Average sunshine days in December: 19 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in December
Bartlett, TN
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Bartlett, TN
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Bartlett, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
