Milesburg, PA 16804 Frost Dates
Frost dates for Milesburg, PA, ZIP 16804
The last spring frost here typically falls around 04/20, about 235 days from today. The first fall frost typically arrives around 10/26, about 187 frost-free days later.
Milesburg sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 6b around Milesburg has about 8 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 Milesburg's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Milesburg compares
About 187 days separate Milesburg's last and first frost, putting it 22,492 of 40,283 ZIP codes nationally. Within PA, it ranks 613 of 2,088.
Learn more
zone vs. frost date explains why Zone 6b and Milesburg's frost date answer different questions, and the frost range explains how to read the range around Milesburg's dates instead of trusting one.