Wyandotte, OK 74370 Frost Dates
Frost dates for Wyandotte, OK, ZIP 74370
Typically, the last spring freeze lands around 04/06, roughly 221 days out. The first fall frost typically arrives around 10/27, about 203 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 Wyandotte, not a forecast for this year.
What to do before the first frost
Zone 7a around Wyandotte 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
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wyandotte compares
Wyandotte's growing season runs about 203 days, ranking 17,021 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 632 of 764.
Learn more
the frost range explains how to read the range around Wyandotte's dates instead of trusting one, and local microclimates explains what one yard in Wyandotte can differ from the 74370 normal.