Cumby, TX 75433 Frost Dates
Frost dates for Cumby, TX, ZIP 75433
Around 03/15 is the usual last spring frost, about 199 days away. The first fall frost typically arrives around 11/14, about 245 frost-free days later.
Zone 8b (15 to 20°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 Cumby, not a forecast for this year.
What to do before the first frost
Zone 8b around Cumby has about 11 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
03/15 is the middle of 30 years of NOAA records, not a promise. Plant by 02/25 and you're betting against frost in roughly 9 years out of 10. 04/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cumby compares
About 245 days separate Cumby's last and first frost, putting it 8,056 of 40,283 ZIP codes nationally. Within TX, it ranks 1,822 of 2,558.
Learn more
the frost range explains how to read the range around Cumby's dates instead of trusting one, and local microclimates explains what one yard in Cumby can differ from the 75433 normal.