Strasburg, PA 17579 Frost Dates
Strasburg, PA: when does the frost end?
The last spring frost here typically falls around 04/18, about 233 days from today. Fall's first freeze usually shows up around 10/25, roughly 186 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 Strasburg, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Strasburg's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Strasburg against the rest of the dataset
At roughly 186 frost-free days, Strasburg places 22,816 of 40,283 ZIP codes in this dataset. Within PA, it ranks 674 of 2,088.
Learn more
Before leaning on 17579's figures: the frost range explains how to read the range around Strasburg's dates instead of trusting one, while local microclimates explains what one yard in Strasburg can differ from the 17579 normal.