FrostDateCheck

Palmetto Bay, FL 33157 Frost Dates

Frost dates for Palmetto Bay, FL, ZIP 33157

Zone 11a

Around 01/18 is the usual last spring frost, about 143 days away. The first fall frost typically arrives around 01/13, about 365 frost-free days later.

The USDA Plant Hardiness Zone Map puts Palmetto Bay in Zone 11a (40 to 45°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 11a around Palmetto Bay 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.

The actual range around Palmetto Bay's last frost

01/18 is the middle of 30 years of NOAA records, not a promise. Plant by 02/01 and you're betting against frost in roughly 9 years out of 10. 12/31 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Palmetto Bay compares

At roughly 365 frost-free days, Palmetto Bay places 1,169 of 40,283 ZIP codes in this dataset. Within FL, it ranks 499 of 1,609.

Learn more

zone vs. frost date explains why Zone 11a and Palmetto Bay's frost date answer different questions, and the frost range explains how to read the range around Palmetto Bay's dates instead of trusting one.