Frost dates in Charleston, SC

The average last spring frost in Charleston is around February 17 and the first fall frost is around December 7. That gives Charleston an average growing season of about 294 days.

Last spring frost

Early (10% chance after)January 21
Average (50%)February 17
Late (90%)March 9

First fall frost

Early (10%)November 19
Average (50%)December 7
Late (90% chance before)December 26

See the Charleston planting calendar →