Port Clinton, PA 19549 Frost Dates
Frost dates for Port Clinton, PA, ZIP 19549
Around 04/10 is the usual last spring frost, about 225 days away. The first fall frost typically arrives around 10/31, about 202 frost-free days later.
Port Clinton sits in USDA Zone 7a (0 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
Zone 7a around Port Clinton has about 9 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 Port Clinton's last frost
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Port Clinton compares
At roughly 202 frost-free days, Port Clinton places 17,359 of 40,283 ZIP codes in this dataset. Within PA, it ranks 237 of 2,088.
Learn more
the frost range explains how to read the range around Port Clinton's dates instead of trusting one, and local microclimates explains what one yard in Port Clinton can differ from the 19549 normal.