December weather forecastMcMullens, TN
December
Weather in December
December, the first month of the winter in McMullens, is also a frosty month, with an average temperature fluctuating between 49.3°F (9.6°C) and 35.4°F (1.9°C).Temperature
December is marked by a subtle drop in average high-temperatures, transitioning from a mild 57°F (13.9°C) in November to a frosty 49.3°F (9.6°C). In McMullens, December is marked by an average low-temperature of 35.4°F (1.9°C).Humidity
The months with the highest humidity in McMullens are February and December, with an average relative humidity of 79%.Rainfall
In McMullens, during December, the rain falls for 8.8 days and regularly aggregates up to 1.22" (31mm) of precipitation. In McMullens, during the entire year, the rain falls for 117.7 days and collects up to 11.34" (288mm) of precipitation.Snowfall
January through March, October through December are months with snowfall. In McMullens, Tennessee, in December, snow falls for 2.4 days, with typically accumulated 0.2" (5mm) of snow. Throughout the year, in McMullens, Tennessee, there are 13.1 snowfall days, and 1.38" (35mm) 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 December in McMullens, sunrise is at 7:28 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:33 pm EST.
Sunshine
The average sunshine in December is 5.2h.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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McMullens, TN
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (87.4°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 (65.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
McMullens, 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
McMullens, TN
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
McMullens, TN
- Average humidity in December: 79%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
McMullens, TN
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in December
McMullens, TN
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
McMullens, TN
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
McMullens, TN
- Average snowfall days in December: 2.4 days
The months with the highest number of snowfall days are January and February (3.7 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
McMullens, 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 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
McMullens, TN
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is October (21.5 days).
The months with the least sunshine days are February and July (15.9 days).
Average UV index in December
McMullens, 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
McMullens, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
McMullens, 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).
