New Holland, PA 17534 Frost Dates
Frost dates for New Holland, PA, ZIP 17534
Typically, the last spring freeze lands around 04/18, roughly 233 days out. The first fall frost typically arrives around 10/25, about 186 frost-free days later.
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.
What to do before the first frost
Zone 7a around New Holland has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Holland compares
About 186 days separate New Holland's last and first frost, putting it 22,770 of 40,283 ZIP codes nationally. Within PA, it ranks 647 of 2,088.
Learn more
local microclimates explains what one yard in New Holland can differ from the 17534 normal, and zone vs. frost date explains why Zone 7a and New Holland's frost date answer different questions.