Frost dates in Seneca, SC

The average last spring frost in Seneca is around March 20 and the first fall frost is around November 18. That gives Seneca an average growing season of about 243 days.

Last spring frost

Early (10% chance after)March 4
Average (50%)March 20
Late (90%)March 30

First fall frost

Early (10%)November 2
Average (50%)November 18
Late (90% chance before)November 28

See the Seneca planting calendar →