Sidney, OH 45367 Frost Dates
Frost dates for Sidney, OH, ZIP 45367
Around 04/27 is the usual last spring frost, about 242 days away. The first fall frost typically arrives around 10/20, about 175 frost-free days later.
Zone 6a (-10 to -5°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 Sidney, not a forecast for this year.
What to do before the first frost
Zone 6a around Sidney 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 Sidney's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 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 Sidney compares
About 175 days separate Sidney's last and first frost, putting it 26,779 of 40,283 ZIP codes nationally. Within OH, it ranks 1,012 of 1,383.
Learn more
the frost range explains how to read the range around Sidney's dates instead of trusting one, and local microclimates explains what one yard in Sidney can differ from the 45367 normal.