Amherst, TX 79312 Frost Dates
Frost dates for Amherst, TX, ZIP 79312
Typically, the last spring freeze lands around 04/14, roughly 229 days out. The first fall frost typically arrives around 10/26, about 192 frost-free days later.
Amherst sits in USDA Zone 7b (5 to 10°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 7b around Amherst has about 8 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
04/14 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Amherst compares
Amherst's growing season runs about 192 days, ranking 20,509 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 2,496 of 2,558.
Learn more
local microclimates explains what one yard in Amherst can differ from the 79312 normal, and zone vs. frost date explains why Zone 7b and Amherst's frost date answer different questions.