Chattanooga, TN (37402) has a humid subtropical climate with hot and humid summers and mild winters. The average temperature in the summer is around 81掳F (27掳C) and 55掳F (13掳C) in the winter. Rainfall is abundant, typically averaging around 47 inches per year, mainly falling from April to October. Snowfall is not common but can occur during the winter months. Humidity is high throughout the year, making the heat more oppressive during the summer months.
Chattanooga (zip 37402), Tennessee gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Chattanooga (zip 37402) averages 1 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 210 sunny days per year in Chattanooga (zip 37402). The US average is 205 sunny days.
Chattanooga (zip 37402) gets some kind of precipitation, on average, 99 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 89 degrees
Winter Low: the January low is 29
Rain: averages 51 inches of rain a year
Snow: averages 1 inches of snow a year