Wernersville, PA 19565 Frost Dates
19565, near Wernersville, PA: the frost window
Typically, the last spring freeze lands around 04/14, roughly 229 days out. Fall's first freeze usually shows up around 10/29, roughly 197 days after the last spring frost.
Wernersville sits in USDA Zone 7a (0 to 5°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
Wernersville'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 Wernersville's last frost
04/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.
Wernersville against the rest of the dataset
At roughly 197 frost-free days, Wernersville places 18,688 of 40,283 ZIP codes in this dataset. Within PA, it ranks 368 of 2,088.
Learn more
Two guides worth reading on 19565: zone vs. frost date, on why Zone 7a and Wernersville's frost date answer different questions, and the frost range, on how to read the range around Wernersville's dates instead of trusting one.