Warren, OH 44485 Frost Dates
Warren, OH: when does the frost end?
Typically, the last spring freeze lands around 05/01, roughly 246 days out. Fall's first freeze usually shows up around 10/17, roughly 167 days after the last spring frost.
Warren sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 7 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 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/20 and only about 1 year in 10 sees frost after that.
Warren against the rest of the dataset
About 167 days separate Warren's last and first frost, putting it 29,873 of 40,283 ZIP codes nationally. Within OH, it ranks 1,225 of 1,383.
Learn more
Before leaning on 44485's figures: zone vs. frost date explains why Zone 6a and Warren's frost date answer different questions, while the frost range explains how to read the range around Warren's dates instead of trusting one.