Fox Chapel, PA 15101 Frost Dates
Frost dates for Fox Chapel, PA, ZIP 15101
The last spring frost here typically falls around 04/16, about 231 days from today. The first fall frost typically arrives around 11/02, about 199 frost-free days later.
The USDA Plant Hardiness Zone Map puts Fox Chapel in Zone 6b (-5 to 0°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 6b around Fox Chapel has about 9 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 04/16 isn't a guarantee
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fox Chapel compares
Fox Chapel's growing season runs about 199 days, ranking 18,094 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 294 of 2,088.
Learn more
local microclimates explains what one yard in Fox Chapel can differ from the 15101 normal, and zone vs. frost date explains why Zone 6b and Fox Chapel's frost date answer different questions.