Marysville, PA 17053 Frost Dates
17053, near Marysville, PA: the frost window
The last spring frost here typically falls around 04/09, about 224 days from today. Fall's first freeze usually shows up around 11/01, roughly 205 days after the last spring frost.
Marysville 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.
Stretching the season past the first frost
Marysville's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/09 isn't a guarantee
04/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/25 and only about 1 year in 10 sees frost after that.
Marysville against the rest of the dataset
About 205 days separate Marysville's last and first frost, putting it 16,312 of 40,283 ZIP codes nationally. Within PA, it ranks 163 of 2,088.
Learn more
Two guides worth reading on 17053: local microclimates, on what one yard in Marysville can differ from the 17053 normal, and zone vs. frost date, on why Zone 7a and Marysville's frost date answer different questions.