FrostDateCheck

Westwego, LA 70072 Frost Dates

Frost dates for Westwego, LA, ZIP 70072

Zone 9b

The last spring frost here typically falls around 01/24, about 149 days from today. The first fall frost typically arrives around 01/02, about 341 frost-free days later.

The USDA Plant Hardiness Zone Map puts Westwego in Zone 9b (25 to 30°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 9b around Westwego 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.

How much risk comes with planting early here

01/24 is the middle of 30 years of NOAA records, not a promise. Plant by 02/23 and you're betting against frost in roughly 9 years out of 10. 12/28 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Westwego compares

About 341 days separate Westwego's last and first frost, putting it 2,608 of 40,283 ZIP codes nationally. Within LA, it ranks 18 of 710.

Learn more

the frost range explains how to read the range around Westwego's dates instead of trusting one, and local microclimates explains what one yard in Westwego can differ from the 70072 normal.