Delaware Water Gap, PA 18327 Frost Dates
Frost dates for Delaware Water Gap, PA, ZIP 18327
The last spring frost here typically falls around 05/06, about 251 days from today. The first fall frost typically arrives around 10/08, about 154 frost-free days later.
Zone 6b (-5 to 0°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 Delaware Water Gap, not a forecast for this year.
What to do before the first frost
Zone 6b around Delaware Water Gap 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
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Delaware Water Gap compares
About 154 days separate Delaware Water Gap's last and first frost, putting it 34,394 of 40,283 ZIP codes nationally. Within PA, it ranks 1,901 of 2,088.
Learn more
local microclimates explains what one yard in Delaware Water Gap can differ from the 18327 normal, and zone vs. frost date explains why Zone 6b and Delaware Water Gap's frost date answer different questions.