Gueydan, LA 70542 Frost Dates
Frost dates for Gueydan, LA, ZIP 70542
The last spring frost here typically falls around 02/10, about 166 days from today. The first fall frost typically arrives around 12/11, about 307 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 Gueydan, not a forecast for this year.
What to do before the first frost
Zone 9a around Gueydan has about 15 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
02/10 is the middle of 30 years of NOAA records, not a promise. Plant by 01/10 and you're betting against frost in roughly 9 years out of 10. 03/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Gueydan compares
At roughly 307 frost-free days, Gueydan places 3,684 of 40,283 ZIP codes in this dataset. Within LA, it ranks 151 of 710.
Learn more
local microclimates explains what one yard in Gueydan can differ from the 70542 normal, and zone vs. frost date explains why Zone 9a and Gueydan's frost date answer different questions.