Stillwater, OK 74076 Frost Dates
Stillwater, OK: when does the frost end?
The last spring frost here typically falls around 04/05, about 220 days from today. Fall's first freeze usually shows up around 10/30, roughly 206 days after the last spring frost.
Zone 7a (0 to 5°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 Stillwater, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Stillwater's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Stillwater's last frost
04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Stillwater against the rest of the dataset
About 206 days separate Stillwater's last and first frost, putting it 15,931 of 40,283 ZIP codes nationally. Within OK, it ranks 541 of 764.
Learn more
Before leaning on 74076's figures: the frost range explains how to read the range around Stillwater's dates instead of trusting one, while local microclimates explains what one yard in Stillwater can differ from the 74076 normal.