Roaring Spring, PA 16673 Frost Dates
Frost dates for Roaring Spring, PA, ZIP 16673
Typically, the last spring freeze lands around 04/23, roughly 238 days out. The first fall frost typically arrives around 10/21, about 177 frost-free days later.
The USDA Plant Hardiness Zone Map puts Roaring Spring in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6b around Roaring Spring has about 8 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 Roaring Spring's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 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 Roaring Spring compares
Roaring Spring's growing season runs about 177 days, ranking 26,134 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 953 of 2,088.
Learn more
the frost range explains how to read the range around Roaring Spring's dates instead of trusting one, and local microclimates explains what one yard in Roaring Spring can differ from the 16673 normal.