New Holland, PA 17557 Frost Dates
New Holland, PA: when does the frost end?
Typically, the last spring freeze lands around 04/16, roughly 231 days out. Fall's first freeze usually shows up around 10/27, roughly 193 days after the last spring frost.
New Holland 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 New Holland'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
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 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.
New Holland against the rest of the dataset
At roughly 193 frost-free days, New Holland places 19,837 of 40,283 ZIP codes in this dataset. Within PA, it ranks 425 of 2,088.
Learn more
Before leaning on 17557's figures: local microclimates explains what one yard in New Holland can differ from the 17557 normal, while zone vs. frost date explains why Zone 7a and New Holland's frost date answer different questions.