Lake Jackson, TX 77566 Frost Dates
Frost dates for Lake Jackson, TX, ZIP 77566
Typically, the last spring freeze lands around 02/13, roughly 169 days out. The first fall frost typically arrives around 12/08, about 301 frost-free days later.
The USDA Plant Hardiness Zone Map puts Lake Jackson 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 Lake Jackson 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
02/13 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. 03/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lake Jackson compares
About 301 days separate Lake Jackson's last and first frost, putting it 3,937 of 40,283 ZIP codes nationally. Within TX, it ranks 298 of 2,558.
Learn more
the frost range explains how to read the range around Lake Jackson's dates instead of trusting one, and local microclimates explains what one yard in Lake Jackson can differ from the 77566 normal.