Ridgway, PA 16728 Frost Dates
Frost dates for Ridgway, PA, ZIP 16728
The last spring frost here typically falls around 05/06, about 251 days from today. The first fall frost typically arrives around 10/14, about 160 frost-free days later.
Ridgway sits in USDA Zone 5b (-15 to -10°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 5b around Ridgway has about 7 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.
Why 05/06 isn't a guarantee
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/19 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ridgway compares
At roughly 160 frost-free days, Ridgway places 32,307 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,698 of 2,088.
Learn more
local microclimates explains what one yard in Ridgway can differ from the 16728 normal, and zone vs. frost date explains why Zone 5b and Ridgway's frost date answer different questions.