December weather forecastGoodlettsville, TN
December
Weather in December
December is marked by cold weather conditions in Goodlettsville. Winter fully settles in, bringing with it low temperatures and the prospect of snow. As December progresses, snowy days become frequent, painting the city white. Despite the cold weather, the festive spirit keeps the city alive, with holiday decorations adding charm to the winter landscapes. The year ends on a chilly note, as December is one of the coldest months in Goodlettsville.Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a refreshing 56.8°F (13.8°C) in November to a frosty 48.2°F (9°C). Nighttime temperature in Goodlettsville, Tennessee, experiences an average drop to a wintry 35.4°F (1.9°C) in December.Humidity
March and December, with an average relative humidity of 78%, are the most humid months in Goodlettsville.Rainfall
In Goodlettsville, during December, the rain falls for 13.3 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, in Goodlettsville, there are 178.6 rainfall days, and 39.29" (998mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Goodlettsville, Tennessee, in December, snow falls for 1.9 days, with typically accumulated 0.43" (11mm) of snow. In Goodlettsville, during the entire year, snow falls for 11.8 days and aggregates up to 3.62" (92mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 6:40 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:42 pm CST.
Sunshine
January, February and December, with an average of 4.6h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Goodlettsville, Tennessee, are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Goodlettsville, TN
- Average high temperature in December: 48.2°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Goodlettsville, TN
- Average pressure in December: 30.15"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
Goodlettsville, TN
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Goodlettsville, TN
- Average humidity in December: 78%
The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Goodlettsville, TN
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is July (4.45").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in December
Goodlettsville, TN
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Goodlettsville, TN
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Goodlettsville, TN
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (4.2 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
Goodlettsville, 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 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 36min).
Average sunshine days in December
Goodlettsville, TN
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
Goodlettsville, 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
Goodlettsville, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in December
Goodlettsville, 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).
