Brownsville, PA 15480 Frost Dates
Frost dates for Brownsville, PA, ZIP 15480
The last spring frost here typically falls around 04/28, about 243 days from today. The first fall frost typically arrives around 10/21, about 175 frost-free days later.
Brownsville 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 Brownsville 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 Brownsville's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brownsville compares
About 175 days separate Brownsville's last and first frost, putting it 26,983 of 40,283 ZIP codes nationally. Within PA, it ranks 1,182 of 2,088.
Learn more
local microclimates explains what one yard in Brownsville can differ from the 15480 normal, and zone vs. frost date explains why Zone 6b and Brownsville's frost date answer different questions.