Northern Cambria, PA 15775 Frost Dates
When can you plant in Northern Cambria, PA?
The last spring frost here typically falls around 04/29, about 244 days from today. The first fall frost typically arrives around 10/21, about 176 frost-free days later.
Northern Cambria sits in USDA Zone 6a (-10 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
About 8 weeks of growing season left in Northern Cambria before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/29 isn't a guarantee
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Northern Cambria compares
Northern Cambria's growing season runs about 176 days, ranking 26,457 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,035 of 2,088.
Learn more
local microclimates covers what one yard in Northern Cambria can differ from the 15775 normal. zone vs. frost date covers why Zone 6a and Northern Cambria's frost date answer different questions.