Cottage Grove, TN has a moderate, humid subtropical climate with hot summers and mild winters. The average high temperature in July is 86°F (30°C) and the average low in January is 35°F (2°C). Precipitation amounts are usually greatest between April and October, with an average between 40 and 50 inches of rain each year. Snowfall typically does not exceed 8 inches each winter. The area enjoys long summer days with an average of 14 hours of daylight during the longest day of the year.
Cottage Grove, Tennessee gets 54 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Cottage Grove averages 5 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Cottage Grove. The US average is 205 sunny days.
Cottage Grove gets some kind of precipitation, on average, 109 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 26
Rain: averages 54 inches of rain a year
Snow: averages 5 inches of snow a year