Philipsburg, PA 16849 Frost Dates
Frost dates for Philipsburg, PA, ZIP 16849
Around 05/13 is the usual last spring frost, about 258 days away. The first fall frost typically arrives around 10/01, about 142 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 Philipsburg, not a forecast for this year.
What to do before the first frost
Zone 6a around Philipsburg has about 5 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.
The actual range around Philipsburg's last frost
05/13 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. 05/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Philipsburg compares
Philipsburg's growing season runs about 142 days, ranking 36,739 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,940 of 2,088.
Learn more
local microclimates explains what one yard in Philipsburg can differ from the 16849 normal, and zone vs. frost date explains why Zone 6a and Philipsburg's frost date answer different questions.