Red Oak, OK 74563 Frost Dates
Frost dates for Red Oak, OK, ZIP 74563
Around 04/02 is the usual last spring frost, about 217 days away. The first fall frost typically arrives around 11/05, about 218 frost-free days later.
Red Oak sits in USDA Zone 7b (5 to 10°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 7b around Red Oak 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.
How much risk comes with planting early here
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. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Red Oak compares
About 218 days separate Red Oak's last and first frost, putting it 13,326 of 40,283 ZIP codes nationally. Within OK, it ranks 236 of 764.
Learn more
zone vs. frost date explains why Zone 7b and Red Oak's frost date answer different questions, and the frost range explains how to read the range around Red Oak's dates instead of trusting one.