FrostDateCheck

Brooksville, FL 34603 Frost Dates

Frost dates for Brooksville, FL, ZIP 34603

Zone 9b

The last spring frost here typically falls around 02/03, about 159 days from today. The first fall frost typically arrives around 01/03, about 329 frost-free days later.

Brooksville 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 Brooksville 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.

Why 02/03 isn't a guarantee

02/03 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. 03/03 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Brooksville compares

About 329 days separate Brooksville's last and first frost, putting it 3,100 of 40,283 ZIP codes nationally. Within FL, it ranks 1,183 of 1,609.

Learn more

local microclimates explains what one yard in Brooksville can differ from the 34603 normal, and zone vs. frost date explains why Zone 9b and Brooksville's frost date answer different questions.