FrostDateCheck

Cassville, PA 16623 Frost Dates

Cassville, PA: when does the frost end?

Zone 6b

The last spring frost here typically falls around 04/23, about 238 days from today. Fall's first freeze usually shows up around 10/21, roughly 177 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Cassville in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's 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

At roughly 177 frost-free days, Cassville places 26,292 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,007 of 2,088.

Learn more

Before leaning on 16623's figures: local microclimates explains what one yard in Cassville can differ from the 16623 normal, while zone vs. frost date explains why Zone 6b and Cassville's frost date answer different questions.