Honesdale, PA 18405 Frost Dates
Frost dates for Honesdale, PA, ZIP 18405
The last spring frost here typically falls around 05/12, about 257 days from today. The first fall frost typically arrives around 10/07, about 146 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 Honesdale, not a forecast for this year.
What to do before the first frost
Zone 6a around Honesdale 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.
Why 05/12 isn't a guarantee
05/12 is the middle of 30 years of NOAA records, not a promise. Plant by 04/25 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 Honesdale compares
About 146 days separate Honesdale's last and first frost, putting it 36,043 of 40,283 ZIP codes nationally. Within PA, it ranks 1,924 of 2,088.
Learn more
zone vs. frost date explains why Zone 6a and Honesdale's frost date answer different questions, and the frost range explains how to read the range around Honesdale's dates instead of trusting one.