FrostDateCheck

Brownsville, PA 15442 Frost Dates

When can you plant in Brownsville, PA?

Zone 6b

Around 04/28 is the usual last spring frost, about 243 days away. 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

At roughly 175 frost-free days, Brownsville places 26,979 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,178 of 2,088.

Learn more

local microclimates covers what one yard in Brownsville can differ from the 15442 normal. zone vs. frost date covers why Zone 6b and Brownsville's frost date answer different questions.