Sayre, OK 73648 Frost Dates
Frost dates for Sayre, OK, ZIP 73648
The last spring frost here typically falls around 04/08, about 223 days from today. The first fall frost typically arrives around 11/02, about 207 frost-free days later.
Sayre 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 Sayre 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.
Why 04/08 isn't a guarantee
04/08 is the middle of 30 years of NOAA records, not a promise. Plant by 03/21 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sayre compares
At roughly 207 frost-free days, Sayre places 15,812 of 40,283 ZIP codes in this dataset. Within OK, it ranks 533 of 764.
Learn more
local microclimates explains what one yard in Sayre can differ from the 73648 normal, and zone vs. frost date explains why Zone 7b and Sayre's frost date answer different questions.