Amarillo, TX 79108 Frost Dates
Frost dates for Amarillo, TX, ZIP 79108
Around 04/13 is the usual last spring frost, about 228 days away. The first fall frost typically arrives around 10/27, about 195 frost-free days later.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Amarillo, not a forecast for this year.
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.
The actual range around Amarillo's last frost
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 19,135 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,470 of 2,558.
Learn more
zone vs. frost date explains why Zone 7a and Amarillo's frost date answer different questions, and the frost range explains how to read the range around Amarillo's dates instead of trusting one.