West Lafayette, OH 43845 Frost Dates
Frost dates for West Lafayette, OH, ZIP 43845
The last spring frost here typically falls around 04/26, about 241 days from today. The first fall frost typically arrives around 10/21, about 176 frost-free days later.
West Lafayette sits in USDA Zone 6b (-5 to 0°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 6b around West Lafayette 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.
How much risk comes with planting early here
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How West Lafayette compares
West Lafayette's growing season runs about 176 days, ranking 26,476 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 979 of 1,383.
Learn more
local microclimates explains what one yard in West Lafayette can differ from the 43845 normal, and zone vs. frost date explains why Zone 6b and West Lafayette's frost date answer different questions.