Williston, FL 32668 Frost Dates
Frost dates for Williston, FL, ZIP 32668
The last spring frost here typically falls around 03/04, about 188 days from today. The first fall frost typically arrives around 12/04, about 274 frost-free days later.
The USDA Plant Hardiness Zone Map puts Williston in Zone 9a (20 to 25°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 9a around Williston has about 14 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
03/04 is the middle of 30 years of NOAA records, not a promise. Plant by 02/03 and you're betting against frost in roughly 9 years out of 10. 03/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Williston compares
About 274 days separate Williston's last and first frost, putting it 5,161 of 40,283 ZIP codes nationally. Within FL, it ranks 1,485 of 1,609.
Learn more
zone vs. frost date explains why Zone 9a and Williston's frost date answer different questions, and the frost range explains how to read the range around Williston's dates instead of trusting one.