Amarillo, TX 79104 Frost Dates
Frost dates for Amarillo, TX, ZIP 79104
Typically, the last spring freeze lands around 04/13, roughly 228 days out. The first fall frost typically arrives around 10/27, about 195 frost-free days later.
Amarillo sits in USDA Zone 7a (0 to 5°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 7a around Amarillo has about 9 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
04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Amarillo compares
At roughly 195 frost-free days, Amarillo places 19,132 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,467 of 2,558.
Learn more
local microclimates explains what one yard in Amarillo can differ from the 79104 normal, and zone vs. frost date explains why Zone 7a and Amarillo's frost date answer different questions.