FrostDateCheck

Socorro, TX 79999 Frost Dates

Frost dates for Socorro, TX, ZIP 79999

Zone 9a

Around 03/02 is the usual last spring frost, about 186 days away. The first fall frost typically arrives around 11/20, about 261 frost-free days later.

Socorro sits in USDA Zone 9a (20 to 25°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 9a around Socorro has about 12 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 Socorro's last frost

03/02 is the middle of 30 years of NOAA records, not a promise. Plant by 02/12 and you're betting against frost in roughly 9 years out of 10. 03/19 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Socorro compares

At roughly 261 frost-free days, Socorro places 6,306 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,206 of 2,558.

Learn more

the frost range explains how to read the range around Socorro's dates instead of trusting one, and local microclimates explains what one yard in Socorro can differ from the 79999 normal.