FrostDateCheck

St. Leo, FL 33526 Frost Dates

St. Leo, FL: when does the frost end?

Zone 9b

Typically, the last spring freeze lands around 01/31, roughly 156 days out. Fall's first freeze usually shows up around 01/08, roughly 336 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts St. Leo in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

With roughly 19 weeks until St. Leo's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around St. Leo's last frost

01/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 02/28 and only about 1 year in 10 sees frost after that.

St. Leo against the rest of the dataset

At roughly 336 frost-free days, St. Leo places 2,728 of 40,283 ZIP codes in this dataset. Within FL, it ranks 1,095 of 1,609.

Learn more

Before leaning on 33526's figures: the frost range explains how to read the range around St. Leo's dates instead of trusting one, while local microclimates explains what one yard in St. Leo can differ from the 33526 normal.