Sperry, OK 74156 Frost Dates
Frost dates for Sperry, OK, ZIP 74156
The last spring frost here typically falls around 03/31, about 215 days from today. The first fall frost typically arrives around 11/04, about 220 frost-free days later.
Zone 7b (5 to 10°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 Sperry, not a forecast for this year.
What to do before the first frost
Zone 7b around Sperry 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.
The actual range around Sperry's last frost
03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/11 and you're betting against frost in roughly 9 years out of 10. 04/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sperry compares
At roughly 220 frost-free days, Sperry places 12,853 of 40,283 ZIP codes in this dataset. Within OK, it ranks 205 of 764.
Learn more
the frost range explains how to read the range around Sperry's dates instead of trusting one, and local microclimates explains what one yard in Sperry can differ from the 74156 normal.