Jacinto City, TX 77015 Frost Dates
Frost dates for Jacinto City, TX, ZIP 77015
The last spring frost here typically falls around 01/30, about 155 days from today. The first fall frost typically arrives around 12/28, about 330 frost-free days later.
Jacinto City 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 Jacinto City 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.
Why 01/30 isn't a guarantee
01/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/01 and you're betting against frost in roughly 9 years out of 10. 12/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jacinto City compares
At roughly 330 frost-free days, Jacinto City places 3,036 of 40,283 ZIP codes in this dataset. Within TX, it ranks 174 of 2,558.
Learn more
local microclimates explains what one yard in Jacinto City can differ from the 77015 normal, and zone vs. frost date explains why Zone 9b and Jacinto City's frost date answer different questions.