Dallas, PA 18627 Frost Dates
Frost dates for Dallas, PA, ZIP 18627
The last spring frost here typically falls around 04/23, about 238 days from today. The first fall frost typically arrives around 10/20, about 178 frost-free days later.
The USDA Plant Hardiness Zone Map puts Dallas 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 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.
Why 04/23 isn't a guarantee
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
About 178 days separate Dallas's last and first frost, putting it 25,733 of 40,283 ZIP codes nationally. Within PA, it ranks 920 of 2,088.
Learn more
local microclimates explains what one yard in Dallas can differ from the 18627 normal, and zone vs. frost date explains why Zone 6a and Dallas's frost date answer different questions.