Frost dates in Fountain Hills, AZ

The average last spring frost in Fountain Hills is around January 31 and the first fall frost is around December 10. That gives Fountain Hills an average growing season of about 314 days.

Last spring frost

Early (10% chance after)January 13
Average (50%)January 31
Late (90%)February 26

First fall frost

Early (10%)November 24
Average (50%)December 10
Late (90% chance before)December 28

See the Fountain Hills planting calendar →