Wynnewood, OK 73098 Frost Dates
Wynnewood, OK: when does the frost end?
Around 04/04 is the usual last spring frost, about 219 days away. Fall's first freeze usually shows up around 11/01, roughly 212 days after the last spring frost.
Wynnewood 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.
Stretching the season past the first frost
With roughly 9 weeks until Wynnewood's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Wynnewood's last frost
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.
Wynnewood against the rest of the dataset
About 212 days separate Wynnewood's last and first frost, putting it 14,618 of 40,283 ZIP codes nationally. Within OK, it ranks 424 of 764.
Learn more
Before leaning on 73098's figures: local microclimates explains what one yard in Wynnewood can differ from the 73098 normal, while zone vs. frost date explains why Zone 7b and Wynnewood's frost date answer different questions.