New Cumberland, PA 17070 Frost Dates
Frost dates for New Cumberland, PA, ZIP 17070
Typically, the last spring freeze lands around 04/09, roughly 224 days out. The first fall frost typically arrives around 11/01, about 205 frost-free days later.
New Cumberland 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 Cumberland has about 9 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.
The actual range around New Cumberland's last frost
04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/27 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Cumberland compares
New Cumberland's growing season runs about 205 days, ranking 16,228 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 139 of 2,088.
Learn more
local microclimates explains what one yard in New Cumberland can differ from the 17070 normal, and zone vs. frost date explains why Zone 7a and New Cumberland's frost date answer different questions.