Fort Myers, FL 33915 Frost Dates
33915, near Fort Myers, FL: the frost window
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.
Zone 10b (35 to 40°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Fort Myers, not a forecast for this year.
Stretching the season past the first frost
Fort Myers's growing season runs out in roughly 20 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
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 542 of 40,283 ZIP codes in this dataset. Within FL, it ranks 151 of 1,609.
Learn more
Two guides worth reading on 33915: local microclimates, on what one yard in Fort Myers can differ from the 33915 normal, and zone vs. frost date, on why Zone 10b and Fort Myers's frost date answer different questions.