Spring City, PA 19475 Frost Dates
Frost dates for Spring City, PA, ZIP 19475
Typically, the last spring freeze lands around 04/20, roughly 235 days out. The first fall frost typically arrives around 10/23, about 186 frost-free days later.
Spring City sits in USDA Zone 7a (0 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
Zone 7a around Spring City 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 Spring City's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Spring City compares
Spring City's growing season runs about 186 days, ranking 22,799 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 664 of 2,088.
Learn more
zone vs. frost date explains why Zone 7a and Spring City's frost date answer different questions, and the frost range explains how to read the range around Spring City's dates instead of trusting one.