Tionesta, PA 16260 Frost Dates
Tionesta, PA: when does the frost end?
The last spring frost here typically falls around 05/06, about 251 days from today. Fall's first freeze usually shows up around 10/14, roughly 160 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Tionesta in Zone 6a (-10 to -5°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 7 weeks until Tionesta's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Tionesta's last frost
05/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/23 and only about 1 year in 10 sees frost after that.
Tionesta against the rest of the dataset
At roughly 160 frost-free days, Tionesta places 32,497 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,719 of 2,088.
Learn more
Before leaning on 16260's figures: local microclimates explains what one yard in Tionesta can differ from the 16260 normal, while zone vs. frost date explains why Zone 6a and Tionesta's frost date answer different questions.