Cape Coral, FL 33991 Frost Dates
Frost dates for Cape Coral, FL, ZIP 33991
Around 01/16 is the usual last spring frost, about 141 days away. The first fall frost typically arrives around 01/13, about 365 frost-free days later.
The USDA Plant Hardiness Zone Map puts Cape Coral in Zone 10b (35 to 40°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 10b around Cape Coral has about 20 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 01/16 isn't a guarantee
01/16 is the middle of 30 years of NOAA records, not a promise. Plant by 01/01 and you're betting against frost in roughly 9 years out of 10. 02/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cape Coral compares
At roughly 365 frost-free days, Cape Coral places 335 of 40,283 ZIP codes in this dataset. Within FL, it ranks 92 of 1,609.
Learn more
local microclimates explains what one yard in Cape Coral can differ from the 33991 normal, and zone vs. frost date explains why Zone 10b and Cape Coral's frost date answer different questions.