Grainola, OK 67102 Frost Dates
67102, near Grainola, OK: the frost window
The last spring frost here typically falls around 04/11, about 226 days from today. Fall's first freeze usually shows up around 10/27, roughly 197 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Grainola in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Grainola's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Grainola's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.
Grainola against the rest of the dataset
About 197 days separate Grainola's last and first frost, putting it 18,859 of 40,283 ZIP codes nationally. Within OK, it ranks 691 of 764.
Learn more
Two guides worth reading on 67102: the frost range, on how to read the range around Grainola's dates instead of trusting one, and local microclimates, on what one yard in Grainola can differ from the 67102 normal.