FrostDateCheck

Dalhart, TX 79044 Frost Dates

Frost dates for Dalhart, TX, ZIP 79044

Zone 7a

Around 04/21 is the usual last spring frost, about 236 days away. The first fall frost typically arrives around 10/20, about 181 frost-free days later.

Dalhart 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 Dalhart 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.

The actual range around Dalhart's last frost

04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Dalhart compares

At roughly 181 frost-free days, Dalhart places 24,487 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,536 of 2,558.

Learn more

the frost range explains how to read the range around Dalhart's dates instead of trusting one, and local microclimates explains what one yard in Dalhart can differ from the 79044 normal.