December weather forecastStaffordtown, TN
December
Weather in December
The first month of the winter, December, is also a fresh month in Staffordtown, Tennessee, with an average temperature fluctuating between 50°F (10°C) and 35.4°F (1.9°C).Temperature
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a mild 57°F (13.9°C) in November to a cool 50°F (10°C). During December, the average low-temperature is a cold 35.4°F (1.9°C).Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 14.5 days and typically aggregates up to 4.8" (122mm) of precipitation.Snowfall
Months with snowfall in Staffordtown are January through April, October through December. In Staffordtown, in December, snow falls for 2.5 days, with typically accumulated 1.26" (32mm) of snow. Throughout the year, there are 14.7 snowfall days, and 6.38" (162mm) 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, sunrise is at 7:27 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:36 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
The months with the lowest UV index in Staffordtown are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Staffordtown, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Staffordtown, 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 (29.99"Hg).
Average wind speed in December
Staffordtown, TN
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Staffordtown, TN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Staffordtown, TN
- Average rainfall in December: 4.8"
The wettest month (with the highest rainfall) is December (4.8").
The driest month (with the least rainfall) is September (2.91").
Average rainfall days in December
Staffordtown, TN
- Average rainfall days in December: 14.5 days
The months with the highest number of rainy days are June and July (19.8 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in December
Staffordtown, TN
- Average snowfall in December: 1.26"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Staffordtown, TN
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.5 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
Staffordtown, 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 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Staffordtown, TN
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (8 days).
Average UV index in December
Staffordtown, 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
Staffordtown, TN
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Staffordtown, TN
- Average visibility in December: 5mi
The month with the highest visibility is June (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (5mi).





