Smicksburg, PA 15744 Frost Dates
Frost dates for Smicksburg, PA, ZIP 15744
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 Smicksburg 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 Smicksburg 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.
The actual range around Smicksburg's last frost
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 Smicksburg compares
About 155 days separate Smicksburg's last and first frost, putting it 34,191 of 40,283 ZIP codes nationally. Within PA, it ranks 1,857 of 2,088.
Learn more
the frost range explains how to read the range around Smicksburg's dates instead of trusting one, and local microclimates explains what one yard in Smicksburg can differ from the 15744 normal.