Commerce, OK 66778 Frost Dates
Commerce, OK: when does the frost end?
Around 04/06 is the usual last spring frost, about 221 days away. Fall's first freeze usually shows up around 10/27, roughly 203 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Commerce 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
With roughly 9 weeks until Commerce's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Commerce's last frost
04/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.
Commerce against the rest of the dataset
Commerce's growing season runs about 203 days, ranking 16,931 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 625 of 764.
Learn more
Before leaning on 66778's figures: local microclimates explains what one yard in Commerce can differ from the 66778 normal, while zone vs. frost date explains why Zone 7a and Commerce's frost date answer different questions.