Westwego, LA 70124 Frost Dates
Frost dates for Westwego, LA, ZIP 70124
Around 01/22 is the usual last spring frost, about 147 days away. The first fall frost typically arrives around 01/05, about 348 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 19 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 01/22 isn't a guarantee
01/22 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 348 days separate Westwego's last and first frost, putting it 2,373 of 40,283 ZIP codes nationally. Within LA, it ranks 10 of 710.
Learn more
zone vs. frost date explains why Zone 9b and Westwego's frost date answer different questions, and the frost range explains how to read the range around Westwego's dates instead of trusting one.