Adamstown, PA 19501 Frost Dates
Adamstown, PA: when does the frost end?
The last spring frost here typically falls around 04/14, about 229 days from today. Fall's first freeze usually shows up around 10/29, roughly 197 days after the last spring frost.
Adamstown 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
With roughly 9 weeks until Adamstown'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
04/14 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 04/30 and only about 1 year in 10 sees frost after that.
Adamstown against the rest of the dataset
At roughly 197 frost-free days, Adamstown places 18,705 of 40,283 ZIP codes in this dataset. Within PA, it ranks 374 of 2,088.
Learn more
Before leaning on 19501's figures: the frost range explains how to read the range around Adamstown's dates instead of trusting one, while local microclimates explains what one yard in Adamstown can differ from the 19501 normal.