Dayton, TX 77535 Frost Dates
Frost dates for Dayton, TX, ZIP 77535
Around 02/20 is the usual last spring frost, about 176 days away. The first fall frost typically arrives around 12/04, about 292 frost-free days later.
The USDA Plant Hardiness Zone Map puts Dayton in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 9b around Dayton has about 14 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 Dayton's last frost
02/20 is the middle of 30 years of NOAA records, not a promise. Plant by 01/23 and you're betting against frost in roughly 9 years out of 10. 03/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dayton compares
Dayton's growing season runs about 292 days, ranking 4,347 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 538 of 2,558.
Learn more
local microclimates explains what one yard in Dayton can differ from the 77535 normal, and zone vs. frost date explains why Zone 9b and Dayton's frost date answer different questions.