Amsterdam, OH 43925 Frost Dates
Frost dates for Amsterdam, OH, ZIP 43925
Around 04/29 is the usual last spring frost, about 244 days away. The first fall frost typically arrives around 10/20, about 175 frost-free days later.
Zone 6b (-5 to 0°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 Amsterdam, not a forecast for this year.
What to do before the first frost
Zone 6b around Amsterdam 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 Amsterdam's last frost
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 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 Amsterdam compares
About 175 days separate Amsterdam's last and first frost, putting it 27,191 of 40,283 ZIP codes nationally. Within OH, it ranks 1,067 of 1,383.
Learn more
the frost range explains how to read the range around Amsterdam's dates instead of trusting one, and local microclimates explains what one yard in Amsterdam can differ from the 43925 normal.