FrostDateCheck

Socorro, TX 79942 Frost Dates

Frost dates for Socorro, TX, ZIP 79942

Zone 8b

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 8b (15 to 20°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 8b 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.

How much risk comes with planting early here

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

Socorro's growing season runs about 261 days, ranking 6,283 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,183 of 2,558.

Learn more

zone vs. frost date explains why Zone 8b and Socorro's frost date answer different questions, and the frost range explains how to read the range around Socorro's dates instead of trusting one.