Canton, PA 17724 Frost Dates
Canton, PA: when does the frost end?
The last spring frost here typically falls around 05/02, about 247 days from today. Fall's first freeze usually shows up around 10/15, roughly 165 days after the last spring frost.
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 Canton, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Canton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Canton's last frost
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Canton against the rest of the dataset
About 165 days separate Canton's last and first frost, putting it 30,616 of 40,283 ZIP codes nationally. Within PA, it ranks 1,542 of 2,088.
Learn more
Before leaning on 17724's figures: the frost range explains how to read the range around Canton's dates instead of trusting one, while local microclimates explains what one yard in Canton can differ from the 17724 normal.