Warren, OH 44430 Frost Dates
Warren, OH: when does the frost end?
The last spring frost here typically falls around 05/01, about 246 days from today. Fall's first freeze usually shows up around 10/20, roughly 170 days after the last spring frost.
Zone 6a (-10 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 Warren, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Warren's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Warren's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Warren against the rest of the dataset
At roughly 170 frost-free days, Warren places 28,895 of 40,283 ZIP codes in this dataset. Within OH, it ranks 1,150 of 1,383.
Learn more
Before leaning on 44430's figures: local microclimates explains what one yard in Warren can differ from the 44430 normal, while zone vs. frost date explains why Zone 6a and Warren's frost date answer different questions.