Gallatin enjoys cool to moderately cold winters, and hot, humid summers. High
temperatures average 49 °F (9 °C) during the winter months, 69 °F (21 °C) in spring, 88
°F (31 °C) in summer, and 72 °F (22 °C) in fall. The coolest month is January, and July
is the warmest.
In the winter months, snowfall does occur but is usually not heavy. Average annual
snowfall in Nashville is about 5.8 inches (15 cm), falling mostly in January and February
and occasionally March and December. Rainfall is typically greater in winter and spring
while autumn is the driest. Spring and fall are generally warm.
Relative humidity averages 83% in the mornings and 60% in the afternoons, which is
considered moderate for the Southeastern United States.