FrostDateCheck

Brownsville, PA 15420 Frost Dates

When can you plant in Brownsville, PA?

Zone 6b

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

About 8 weeks of growing season left in Brownsville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

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

Brownsville's growing season runs about 175 days, ranking 26,976 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,175 of 2,088.

Learn more

the frost range covers how to read the range around Brownsville's dates instead of trusting one. local microclimates covers what one yard in Brownsville can differ from the 15420 normal.