December weather forecastSouth Pittsburg, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in South Pittsburg, Tennessee, with an average temperature varying between 49.8°F (9.9°C) and 36.1°F (2.3°C).Temperature
The average high-temperature slightly decreases in December, shifting from a mild 57.7°F (14.3°C) in November to a chilly 49.8°F (9.9°C). Throughout the month of December, South Pittsburg observes an average nighttime temperature of 36.1°F (2.3°C).Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
In South Pittsburg, in December, during 13.5 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. In South Pittsburg, during the entire year, the rain falls for 172.1 days and collects up to 38.62" (981mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 1.2 days. Throughout December, 0.24" (6mm) of snow is accumulated. Throughout the year, there are 7 snowfall days, and 1.65" (42mm) 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 6:33 am and sunset at 4:31 pm. On the last day of December, sunrise is at 6:50 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 in December translates into these instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
South Pittsburg, TN
- Average high temperature in December: 49.8°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 (45.7°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in December
South Pittsburg, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
South Pittsburg, TN
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are February, March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in December
South Pittsburg, TN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
South Pittsburg, TN
- Average rainfall in December: 3.9"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in December
South Pittsburg, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
South Pittsburg, TN
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
South Pittsburg, TN
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
South Pittsburg, 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: 4h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
South Pittsburg, TN
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
South Pittsburg, 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 and December (UV index 2).
Average cloud cover in December
South Pittsburg, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 33).
Average visibility in December
South Pittsburg, TN
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
