Dallas, PA 18612 Frost Dates
Frost dates for Dallas, PA, ZIP 18612
Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 10/20, about 178 frost-free days later.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Dallas, not a forecast for this year.
What to do before the first frost
Zone 6a around Dallas 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 Dallas's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dallas compares
At roughly 178 frost-free days, Dallas places 25,732 of 40,283 ZIP codes in this dataset. Within PA, it ranks 919 of 2,088.
Learn more
zone vs. frost date explains why Zone 6a and Dallas's frost date answer different questions, and the frost range explains how to read the range around Dallas's dates instead of trusting one.