Dupont, OH 45837 Frost Dates
Frost dates for Dupont, OH, ZIP 45837
The last spring frost here typically falls around 04/28, about 243 days from today. The first fall frost typically arrives around 10/17, about 170 frost-free days later.
The USDA Plant Hardiness Zone Map puts Dupont in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6a around Dupont has about 7 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 Dupont's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dupont compares
Dupont's growing season runs about 170 days, ranking 29,242 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 1,198 of 1,383.
Learn more
zone vs. frost date explains why Zone 6a and Dupont's frost date answer different questions, and the frost range explains how to read the range around Dupont's dates instead of trusting one.