Cassville, PA 16685 Frost Dates
Cassville, PA: when does the frost end?
Typically, the last spring freeze lands around 04/23, roughly 238 days out. Fall's first freeze usually shows up around 10/21, roughly 177 days after the last spring frost.
Cassville 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 Cassville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Cassville's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/08 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.
Cassville against the rest of the dataset
About 177 days separate Cassville's last and first frost, putting it 26,293 of 40,283 ZIP codes nationally. Within PA, it ranks 1,008 of 2,088.
Learn more
Before leaning on 16685's figures: local microclimates explains what one yard in Cassville can differ from the 16685 normal, while zone vs. frost date explains why Zone 6b and Cassville's frost date answer different questions.