Oak Hill, OH 45688 Frost Dates
Oak Hill, OH: when does the frost end?
Typically, the last spring freeze lands around 04/30, roughly 245 days out. Fall's first freeze usually shows up around 10/15, roughly 167 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 Oak Hill, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Oak Hill's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Oak Hill's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Oak Hill against the rest of the dataset
Oak Hill's growing season runs about 167 days, ranking 30,061 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 1,291 of 1,383.
Learn more
Before leaning on 45688's figures: the frost range explains how to read the range around Oak Hill's dates instead of trusting one, while local microclimates explains what one yard in Oak Hill can differ from the 45688 normal.