New Berlin, PA 17889 Frost Dates
17889, near New Berlin, PA: the frost window
The last spring frost here typically falls around 04/26, about 241 days from today. Fall's first freeze usually shows up around 10/20, roughly 176 days after the last spring frost.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for New Berlin, not a forecast for this year.
Stretching the season past the first frost
New Berlin's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/26 isn't a guarantee
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
New Berlin against the rest of the dataset
About 176 days separate New Berlin's last and first frost, putting it 26,571 of 40,283 ZIP codes nationally. Within PA, it ranks 1,075 of 2,088.
Learn more
Two guides worth reading on 17889: the frost range, on how to read the range around New Berlin's dates instead of trusting one, and local microclimates, on what one yard in New Berlin can differ from the 17889 normal.