Delaware, OH 43015 Frost Dates
Delaware, OH: when does the frost end?
The last spring frost here typically falls around 04/22, about 237 days from today. Fall's first freeze usually shows up around 10/23, roughly 183 days after the last spring frost.
Zone 6b (-5 to 0°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 Delaware, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Delaware's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Delaware's last frost
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
Delaware against the rest of the dataset
At roughly 183 frost-free days, Delaware places 23,753 of 40,283 ZIP codes in this dataset. Within OH, it ranks 681 of 1,383.
Learn more
Before leaning on 43015's figures: the frost range explains how to read the range around Delaware's dates instead of trusting one, while local microclimates explains what one yard in Delaware can differ from the 43015 normal.