FrostDateCheck

Kutztown, PA 19530 Frost Dates

19530, near Kutztown, PA: the frost window

Zone 6b

The last spring frost here typically falls around 04/10, about 225 days from today. Fall's first freeze usually shows up around 10/31, roughly 202 days after the last spring frost.

Kutztown 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

Kutztown's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Kutztown's last frost

04/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.

Kutztown against the rest of the dataset

Kutztown's growing season runs about 202 days, ranking 17,233 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 215 of 2,088.

Learn more

Two guides worth reading on 19530: zone vs. frost date, on why Zone 6b and Kutztown's frost date answer different questions, and the frost range, on how to read the range around Kutztown's dates instead of trusting one.