Westwego, LA 70115 Frost Dates
Frost dates for Westwego, LA, ZIP 70115
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.
Westwego sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a 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
At roughly 341 frost-free days, Westwego places 2,609 of 40,283 ZIP codes in this dataset. Within LA, it ranks 19 of 710.
Learn more
local microclimates explains what one yard in Westwego can differ from the 70115 normal, and zone vs. frost date explains why Zone 9b and Westwego's frost date answer different questions.