Strong City, OK 73638 Frost Dates
Frost dates for Strong City, OK, ZIP 73638
The last spring frost here typically falls around 04/15, about 230 days from today. The first fall frost typically arrives around 10/27, about 194 frost-free days later.
Zone 7a (0 to 5°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 Strong City, not a forecast for this year.
What to do before the first frost
Zone 7a around Strong City has about 9 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
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Strong City compares
About 194 days separate Strong City's last and first frost, putting it 19,665 of 40,283 ZIP codes nationally. Within OK, it ranks 734 of 764.
Learn more
zone vs. frost date explains why Zone 7a and Strong City's frost date answer different questions, and the frost range explains how to read the range around Strong City's dates instead of trusting one.