Rockport, TX 78382 Frost Dates
Frost dates for Rockport, TX, ZIP 78382
Typically, the last spring freeze lands around 01/31, roughly 156 days out. The first fall frost typically arrives around 12/25, about 328 frost-free days later.
The USDA Plant Hardiness Zone Map puts Rockport 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 Rockport has about 17 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
01/31 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 12/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rockport compares
Rockport's growing season runs about 328 days, ranking 3,191 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 192 of 2,558.
Learn more
local microclimates explains what one yard in Rockport can differ from the 78382 normal, and zone vs. frost date explains why Zone 9b and Rockport's frost date answer different questions.