Tower City, PA 17932 Frost Dates
Frost dates for Tower City, PA, ZIP 17932
Around 04/27 is the usual last spring frost, about 242 days away. The first fall frost typically arrives around 10/20, about 172 frost-free days later.
Tower City 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
Zone 6b around Tower 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.
Why 04/27 isn't a guarantee
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tower City compares
At roughly 172 frost-free days, Tower City places 28,371 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,375 of 2,088.
Learn more
zone vs. frost date explains why Zone 6b and Tower City's frost date answer different questions, and the frost range explains how to read the range around Tower City's dates instead of trusting one.