Lawton, OK 73507 Frost Dates
Lawton, OK: when does the frost end?
Around 03/26 is the usual last spring frost, about 210 days away. Fall's first freeze usually shows up around 11/07, roughly 225 days after the last spring frost.
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 Lawton, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Lawton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Lawton's last frost
03/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/14 and only about 1 year in 10 sees frost after that.
Lawton against the rest of the dataset
About 225 days separate Lawton's last and first frost, putting it 11,340 of 40,283 ZIP codes nationally. Within OK, it ranks 84 of 764.
Learn more
Before leaning on 73507's figures: the frost range explains how to read the range around Lawton's dates instead of trusting one, while local microclimates explains what one yard in Lawton can differ from the 73507 normal.