Houma, LA 70363 Frost Dates
Frost dates for Houma, LA, ZIP 70363
Around 02/05 is the usual last spring frost, about 161 days away. The first fall frost typically arrives around 12/17, about 312 frost-free days later.
Houma 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 Houma has about 16 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 Houma's last frost
02/05 is the middle of 30 years of NOAA records, not a promise. Plant by 01/06 and you're betting against frost in roughly 9 years out of 10. 03/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Houma compares
Houma's growing season runs about 312 days, ranking 3,475 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 62 of 710.
Learn more
zone vs. frost date explains why Zone 9b and Houma's frost date answer different questions, and the frost range explains how to read the range around Houma's dates instead of trusting one.