December weather forecastGallatin, TN
December
Weather in December
December firmly brings winter to Gallatin. The city further cools down - the average low temperature for the month touches 35.2°F (1.8°C), the chilliest the city experiences all year. Amidst falling temperatures, the frequency of rainy days tends to rise, with a monthly average of 3.19" (81mm). As the city gears up for festive celebrations, the shorter days and chilly nights lend a warm, intimate ambiance. Snowfall remains light and scattered, coloring the city with dots of white to tie with the festive spirit.Temperature
The onset of December in Gallatin, Tennessee, results in a small decrease in the average high-temperature, moderately receding from a moderate 56.5°F (13.6°C) in November to a frosty 47.8°F (8.8°C). Gallatin registers a consistent average low-temperature of 35.2°F (1.8°C) during December.Humidity
March and December, with an average relative humidity of 79%, are the most humid months in Gallatin.Rainfall
In December, the rain falls for 12.9 days. Throughout December, 3.19" (81mm) of precipitation is accumulated. In Gallatin, during the entire year, the rain falls for 175.7 days and collects up to 41.65" (1058mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Gallatin, in December, snow falls for 2.5 days, with typically accumulated 0.79" (20mm) of snow. Throughout the year, there are 12.2 snowfall days, and 4.29" (109mm) 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 6:39 am and sunset at 4:30 pm. On the last day of December, sunrise is at 6:57 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine in Gallatin is 4.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gallatin, TN
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (87.3°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 (68.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Gallatin, 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 (29.96"Hg).
Average wind speed in December
Gallatin, TN
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Gallatin, TN
- Average humidity in December: 79%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Gallatin, TN
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is July (4.96").
The driest month (with the least rainfall) is November (2.44").
Average rainfall days in December
Gallatin, TN
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Gallatin, TN
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Gallatin, TN
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (3.6 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
Gallatin, 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 months with the most sunshine are June and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Gallatin, TN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Gallatin, 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
Gallatin, TN
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Gallatin, 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).
