December weather forecastSpencer, TN
December
Weather in December
December, the first month of the winter in Spencer, is still a chilly month, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 48°F (8.9°C).Temperature
Spencer's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's moderate 55.6°F (13.1°C) to a chilly 48°F (8.9°C). In Spencer, the average nighttime temperature during December is a wintry 34.3°F (1.3°C).Humidity
The most humid month is December, with an average relative humidity of 81%.Rainfall
In Spencer, Tennessee, in December, it is raining for 13.5 days, with typically 3.23" (82mm) of accumulated precipitation. In Spencer, during the entire year, the rain falls for 183.1 days and collects up to 37.68" (957mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Spencer. In Spencer, Tennessee, in December, during 3.1 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, in Spencer, there are 17.4 snowfall days, and 3.46" (88mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Spencer.On the first day of December in Spencer, sunrise is at 6:33 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:38 pm CST.
Sunshine
The average sunshine in December in Spencer is 4.8h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Spencer. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Spencer, TN
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in December
Spencer, 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 (29.98"Hg).
Average wind speed in December
Spencer, TN
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in December
Spencer, 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 (77%).
Average rainfall in December
Spencer, TN
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is July (4.45").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Spencer, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Spencer, TN
- Average snowfall in December: 0.94"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Spencer, TN
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5.7 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
Spencer, 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 month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Spencer, TN
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in December
Spencer, 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
Spencer, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Spencer, TN
- Average visibility in December: 5mi
The months with the highest visibility are June and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October and December (5mi).





