Madison, FL 32341 Frost Dates
Frost dates for Madison, FL, ZIP 32341
Around 03/10 is the usual last spring frost, about 194 days away. The first fall frost typically arrives around 11/21, about 259 frost-free days later.
Zone 9a (20 to 25°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 Madison, not a forecast for this year.
What to do before the first frost
Zone 9a around Madison has about 12 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 03/10 isn't a guarantee
03/10 is the middle of 30 years of NOAA records, not a promise. Plant by 02/15 and you're betting against frost in roughly 9 years out of 10. 03/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Madison compares
Madison's growing season runs about 259 days, ranking 6,589 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 1,544 of 1,609.
Learn more
local microclimates explains what one yard in Madison can differ from the 32341 normal, and zone vs. frost date explains why Zone 9a and Madison's frost date answer different questions.