Towanda, PA 18848 Frost Dates
Frost dates for Towanda, PA, ZIP 18848
Typically, the last spring freeze lands around 05/02, roughly 247 days out. The first fall frost typically arrives around 10/15, about 165 frost-free days later.
The USDA Plant Hardiness Zone Map puts Towanda in Zone 6a (-10 to -5°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 6a around Towanda 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.
How much risk comes with planting early here
05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/20 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Towanda compares
About 165 days separate Towanda's last and first frost, putting it 30,588 of 40,283 ZIP codes nationally. Within PA, it ranks 1,540 of 2,088.
Learn more
the frost range explains how to read the range around Towanda's dates instead of trusting one, and local microclimates explains what one yard in Towanda can differ from the 18848 normal.