Coal Grove, OH 45645 Frost Dates
Frost dates for Coal Grove, OH, ZIP 45645
Typically, the last spring freeze lands around 04/22, roughly 237 days out. The first fall frost typically arrives around 10/23, about 181 frost-free days later.
Coal Grove sits in USDA Zone 7a (0 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.
What to do before the first frost
Zone 7a around Coal Grove has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Coal Grove's last frost
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Coal Grove compares
At roughly 181 frost-free days, Coal Grove places 24,604 of 40,283 ZIP codes in this dataset. Within OH, it ranks 768 of 1,383.
Learn more
zone vs. frost date explains why Zone 7a and Coal Grove's frost date answer different questions, and the frost range explains how to read the range around Coal Grove's dates instead of trusting one.