Del City, OK 73115 Frost Dates
Frost dates for Del City, OK, ZIP 73115
Around 04/02 is the usual last spring frost, about 217 days away. The first fall frost typically arrives around 11/05, about 217 frost-free days later.
The USDA Plant Hardiness Zone Map puts Del City in Zone 7b (5 to 10°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 7b around Del City has about 10 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.
Why 04/02 isn't a guarantee
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/12 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Del City compares
About 217 days separate Del City's last and first frost, putting it 13,423 of 40,283 ZIP codes nationally. Within OK, it ranks 248 of 764.
Learn more
zone vs. frost date explains why Zone 7b and Del City's frost date answer different questions, and the frost range explains how to read the range around Del City's dates instead of trusting one.