December weather forecastSparta, TN
December
Weather in December
December, the first month of the winter in Sparta, is still a chilly month, with an average temperature fluctuating between 48.6°F (9.2°C) and 34.7°F (1.5°C).Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from a moderate 56.3°F (13.5°C) in November to a chilly 48.6°F (9.2°C). Throughout December, the nighttime temperature averages to an icy 34.7°F (1.5°C).Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In Sparta, in December, it is raining for 12.8 days, with typically 2.68" (68mm) of accumulated precipitation. In Sparta, during the entire year, the rain falls for 168.8 days and collects up to 34.06" (865mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 4.1 days. Throughout December, 1.1" (28mm) of snow is accumulated. In Sparta, during the entire year, snow falls for 19.9 days and aggregates up to 4.92" (125mm) of snow.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 6:34 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:38 pm CST.
Sunshine
In Sparta, the average sunshine in December is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sparta, TN
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Sparta, 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 (29.97"Hg).
Average wind speed in December
Sparta, TN
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in December
Sparta, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Sparta, TN
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is February (3.82").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Sparta, TN
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Sparta, TN
- Average snowfall in December: 1.1"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Sparta, TN
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (5.9 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
Sparta, TN
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Sparta, TN
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Sparta, 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
Sparta, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Sparta, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).
