December weather forecastCedar Grove, TN
December
Weather in December
December, the first month of the winter in Cedar Grove, is still a chilly month, with an average temperature varying between 36.1°F (2.3°C) and 48.7°F (9.3°C).Temperature
With the commencement of December, Cedar Grove records a moderate temperature decline, with the average high easing from November's refreshing 57.6°F (14.2°C) to a chilly 48.7°F (9.3°C). Cedar Grove, in December, witnesses an average low-temperature of 36.1°F (2.3°C).Humidity
The average relative humidity in December in Cedar Grove is 79%.Rainfall
In Cedar Grove, in December, it is raining for 12.7 days, with typically 3.62" (92mm) of accumulated precipitation. Throughout the year, there are 162.4 rainfall days, and 38.35" (974mm) of precipitation is accumulated.Snowfall
Months with snowfall in Cedar Grove are January through March, November and December. In December, in Cedar Grove, it is snowing for 1.2 days. Throughout December, 0.63" (16mm) of snow is accumulated. In Cedar Grove, during the entire year, snow falls for 7.9 days and aggregates up to 3.9" (99mm) 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 in Cedar Grove, sunrise is at 6:46 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:51 pm CST.
Sunshine
In December, the average sunshine is 4.8h.UV index
February and December, with an average maximum UV index of 2, are months with the lowest UV index in Cedar Grove. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cedar Grove, TN
- Average high temperature in December: 48.7°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in December
Cedar Grove, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Cedar Grove, TN
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is February (9mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).
Average humidity in December
Cedar Grove, TN
- Average humidity in December: 79%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Cedar Grove, TN
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Cedar Grove, TN
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (10 days).
Average snowfall in December
Cedar Grove, TN
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cedar Grove, TN
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cedar Grove, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Cedar Grove, TN
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in December
Cedar Grove, TN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in December
Cedar Grove, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Cedar Grove, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
