Castalian Springs, Tennessee gets 52 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Castalian Springs averages 3 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 208 sunny days per year in Castalian Springs. The US average is 205 sunny days.
Castalian Springs gets some kind of precipitation, on average, 115 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.
Summer High: the July high is around 89 degrees
Winter Low: the January low is 26
Rain: averages 52 inches of rain a year
Snow: averages 3 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Castalian Springs is 7.3 (10=best), which means it is about average compared to other places in Tennessee.
7.3 / 10
September, May and October are the most pleasant months in Castalian Springs, while January and December are the least comfortable months.