New Berlin, PA 17855 Frost Dates
When can you plant in New Berlin, PA?
Typically, the last spring freeze lands around 04/26, roughly 241 days out. The first fall frost typically arrives around 10/20, about 176 frost-free days later.
New Berlin sits in USDA Zone 6b (-5 to 0°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
About 8 weeks of growing season left in New Berlin before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around New Berlin's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Berlin compares
About 176 days separate New Berlin's last and first frost, putting it 26,570 of 40,283 ZIP codes nationally. Within PA, it ranks 1,074 of 2,088.
Learn more
local microclimates covers what one yard in New Berlin can differ from the 17855 normal. zone vs. frost date covers why Zone 6b and New Berlin's frost date answer different questions.