Gilberton, PA 17934 Frost Dates
Gilberton, PA: when does the frost end?
Around 04/30 is the usual last spring frost, about 245 days away. Fall's first freeze usually shows up around 10/22, roughly 175 days after the last spring frost.
Gilberton 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.
Stretching the season past the first frost
With roughly 8 weeks until Gilberton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Gilberton against the rest of the dataset
Gilberton's growing season runs about 175 days, ranking 27,156 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,242 of 2,088.
Learn more
Before leaning on 17934's figures: zone vs. frost date explains why Zone 6b and Gilberton's frost date answer different questions, while the frost range explains how to read the range around Gilberton's dates instead of trusting one.