El Cenizo, TX 78067 Frost Dates
Frost dates for El Cenizo, TX, ZIP 78067
Typically, the last spring freeze lands around 01/19, roughly 144 days out. The first fall frost typically arrives around 12/22, about 341 frost-free days later.
El Cenizo 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 El Cenizo 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 01/19 isn't a guarantee
01/19 is the middle of 30 years of NOAA records, not a promise. Plant by 02/25 and you're betting against frost in roughly 9 years out of 10. 12/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How El Cenizo compares
About 341 days separate El Cenizo's last and first frost, putting it 2,613 of 40,283 ZIP codes nationally. Within TX, it ranks 94 of 2,558.
Learn more
local microclimates explains what one yard in El Cenizo can differ from the 78067 normal, and zone vs. frost date explains why Zone 9b and El Cenizo's frost date answer different questions.