Millersburg, OH 44610 Frost Dates
When can you plant in Millersburg, OH?
Typically, the last spring freeze lands around 04/24, roughly 239 days out. The first fall frost typically arrives around 10/21, about 177 frost-free days later.
Millersburg 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.
What to do before the first frost
About 8 weeks of growing season left in Millersburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Millersburg's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Millersburg compares
Millersburg's growing season runs about 177 days, ranking 26,118 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 924 of 1,383.
Learn more
zone vs. frost date covers why Zone 6a and Millersburg's frost date answer different questions. the frost range covers how to read the range around Millersburg's dates instead of trusting one.