December weather forecastWilliams Crossroads, TN
December
Weather in December
December, the first month of the winter in Williams Crossroads, is still a chilly month, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 35.1°F (1.7°C).Temperature
December sees a slight reduction in average high-temperature, with a shift from a moderate 56.5°F (13.6°C) in November to a frosty 48.6°F (9.2°C). December brings with it a nighttime average temperature of 35.1°F (1.7°C).Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Williams Crossroads, in December, it is raining for 12.7 days, with typically 3.15" (80mm) of accumulated precipitation. In Williams Crossroads, during the entire year, the rain falls for 170.4 days and collects up to 37.99" (965mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Williams Crossroads, during December, snow falls for 2.5 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, there are 13.4 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:35 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:38 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Williams Crossroads, Tennessee. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Williams Crossroads, TN
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Williams Crossroads, 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 (29.97"Hg).
Average wind speed in December
Williams Crossroads, TN
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Williams Crossroads, 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
Williams Crossroads, TN
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Williams Crossroads, TN
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Williams Crossroads, TN
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Williams Crossroads, TN
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (3.9 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
Williams Crossroads, 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 48min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Williams Crossroads, TN
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Williams Crossroads, 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
Williams Crossroads, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Williams Crossroads, 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).





