Jacksonville, FL 32211 Frost Dates
Frost dates for Jacksonville, FL, ZIP 32211
The last spring frost here typically falls around 02/09, about 165 days from today. The first fall frost typically arrives around 12/31, about 314 frost-free days later.
Jacksonville sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 9b around Jacksonville has about 18 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.
How much risk comes with planting early here
02/09 is the middle of 30 years of NOAA records, not a promise. Plant by 01/12 and you're betting against frost in roughly 9 years out of 10. 03/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jacksonville compares
About 314 days separate Jacksonville's last and first frost, putting it 3,425 of 40,283 ZIP codes nationally. Within FL, it ranks 1,244 of 1,609.
Learn more
local microclimates explains what one yard in Jacksonville can differ from the 32211 normal, and zone vs. frost date explains why Zone 9b and Jacksonville's frost date answer different questions.