December weather forecastRiddleton, TN
December
Weather in December
The first month of the winter, December, is also a frosty month in Riddleton, Tennessee, with an average temperature varying between 35.2°F (1.8°C) and 48.6°F (9.2°C).Temperature
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a mild 56.7°F (13.7°C) in November to a chilly 48.6°F (9.2°C). The month of December records an average low-temperature of 35.2°F (1.8°C).Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Riddleton, in December, during 13.5 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 177.2 rainfall days, and 40.94" (1040mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 2.6 days. Throughout December, 0.39" (10mm) of snow is accumulated. Throughout the year, there are 14 snowfall days, and 3.58" (91mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:37 am and sunset at 4:29 pm. On the last day of December, sunrise is at 6:55 am and sunset at 4:39 pm CST.
Sunshine
In Riddleton, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Riddleton, Tennessee, are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Enhance your sun protection with tightly woven, yet airy clothing. Observe! Snow reflection can nearly intensify 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
Riddleton, TN
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
Riddleton, 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 (29.97"Hg).
Average wind speed in December
Riddleton, TN
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Riddleton, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Riddleton, TN
- Average rainfall in December: 3.27"
The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Riddleton, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Riddleton, TN
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Riddleton, TN
- Average snowfall days in December: 2.6 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
Riddleton, TN
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 4h and 36min
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 18min).
Average sunshine days in December
Riddleton, TN
- Average sunshine days in December: 15.2 days
The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Riddleton, 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
Riddleton, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Riddleton, 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).
