Frost dates in St. Petersburg, FL

The average last spring frost in St. Petersburg is around January 21 and the first fall frost is around December 18. That gives St. Petersburg an average growing season of about 332 days.

Last spring frost

Early (10% chance after)January 6
Average (50%)January 21
Late (90%)February 12

First fall frost

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

See the St. Petersburg planting calendar →