Worthville, PA 15784 Frost Dates
Frost dates for Worthville, PA, ZIP 15784
Typically, the last spring freeze lands around 05/10, roughly 255 days out. The first fall frost typically arrives around 10/12, about 155 frost-free days later.
The USDA Plant Hardiness Zone Map puts Worthville 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 Worthville has about 6 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
05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Worthville compares
At roughly 155 frost-free days, Worthville places 34,188 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,856 of 2,088.
Learn more
local microclimates explains what one yard in Worthville can differ from the 15784 normal, and zone vs. frost date explains why Zone 6a and Worthville's frost date answer different questions.