New Alexandria, PA 15605 Frost Dates
When can you plant in New Alexandria, PA?
Typically, the last spring freeze lands around 05/01, roughly 246 days out. The first fall frost typically arrives around 10/13, about 164 frost-free days later.
New Alexandria 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 7 weeks of growing season left in New Alexandria before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around New Alexandria's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Alexandria compares
At roughly 164 frost-free days, New Alexandria places 31,124 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,600 of 2,088.
Learn more
local microclimates covers what one yard in New Alexandria can differ from the 15605 normal. zone vs. frost date covers why Zone 6b and New Alexandria's frost date answer different questions.