Mount Pocono, PA 18347 Frost Dates
Frost dates for Mount Pocono, PA, ZIP 18347
Typically, the last spring freeze lands around 05/06, roughly 251 days out. The first fall frost typically arrives around 10/08, about 154 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 Mount Pocono, not a forecast for this year.
What to do before the first frost
Zone 6a around Mount Pocono 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 Mount Pocono compares
At roughly 154 frost-free days, Mount Pocono places 34,310 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,879 of 2,088.
Learn more
local microclimates explains what one yard in Mount Pocono can differ from the 18347 normal, and zone vs. frost date explains why Zone 6a and Mount Pocono's frost date answer different questions.