Fort Myers, FL 33917 Frost Dates
Fort Myers, FL: when does the frost end?
The last spring frost here typically falls around 01/16, about 141 days from today. Fall's first freeze usually shows up around 01/13, roughly 365 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Fort Myers in Zone 10a (30 to 35°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 20 weeks until Fort Myers's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 01/16 isn't a guarantee
01/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 02/02 and only about 1 year in 10 sees frost after that.
Fort Myers against the rest of the dataset
At roughly 365 frost-free days, Fort Myers places 544 of 40,283 ZIP codes in this dataset. Within FL, it ranks 153 of 1,609.
Learn more
Before leaning on 33917's figures: local microclimates explains what one yard in Fort Myers can differ from the 33917 normal, while zone vs. frost date explains why Zone 10a and Fort Myers's frost date answer different questions.