FrostDateCheck

Lafayette, LA 70508 Frost Dates

Frost dates for Lafayette, LA, ZIP 70508

Zone 9a

Typically, the last spring freeze lands around 02/13, roughly 169 days out. The first fall frost typically arrives around 12/04, about 299 frost-free days later.

The USDA Plant Hardiness Zone Map puts Lafayette 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 Lafayette 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.

The actual range around Lafayette's last frost

02/13 is the middle of 30 years of NOAA records, not a promise. Plant by 01/13 and you're betting against frost in roughly 9 years out of 10. 03/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Lafayette compares

About 299 days separate Lafayette's last and first frost, putting it 4,148 of 40,283 ZIP codes nationally. Within LA, it ranks 178 of 710.

Learn more

the frost range explains how to read the range around Lafayette's dates instead of trusting one, and local microclimates explains what one yard in Lafayette can differ from the 70508 normal.