FrostDateCheck

Valparaiso, FL 32580 Frost Dates

Frost dates for Valparaiso, FL, ZIP 32580

Zone 9a

The last spring frost here typically falls around 03/12, about 196 days from today. The first fall frost typically arrives around 11/19, about 253 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 Valparaiso, not a forecast for this year.

What to do before the first frost

Zone 9a around Valparaiso 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.

The actual range around Valparaiso's last frost

03/12 is the middle of 30 years of NOAA records, not a promise. Plant by 02/14 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 Valparaiso compares

Valparaiso's growing season runs about 253 days, ranking 7,140 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 1,591 of 1,609.

Learn more

the frost range explains how to read the range around Valparaiso's dates instead of trusting one, and local microclimates explains what one yard in Valparaiso can differ from the 32580 normal.