York Springs, PA 17372 Frost Dates
17372, near York Springs, PA: the frost window
The last spring frost here typically falls around 04/15, about 230 days from today. Fall's first freeze usually shows up around 10/27, roughly 194 days after the last spring frost.
Zone 7a (0 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 York Springs, not a forecast for this year.
Stretching the season past the first frost
York Springs'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.
How much risk comes with planting early here
04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/04 and only about 1 year in 10 sees frost after that.
York Springs against the rest of the dataset
At roughly 194 frost-free days, York Springs places 19,566 of 40,283 ZIP codes in this dataset. Within PA, it ranks 397 of 2,088.
Learn more
Two guides worth reading on 17372: local microclimates, on what one yard in York Springs can differ from the 17372 normal, and zone vs. frost date, on why Zone 7a and York Springs's frost date answer different questions.