Terre Hill, PA 17581 Frost Dates
Terre Hill, PA: when does the frost end?
Around 04/16 is the usual last spring frost, about 231 days away. Fall's first freeze usually shows up around 10/27, roughly 193 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Terre Hill in Zone 7a (0 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 9 weeks until Terre Hill's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Terre Hill's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 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.
Terre Hill against the rest of the dataset
About 193 days separate Terre Hill's last and first frost, putting it 19,988 of 40,283 ZIP codes nationally. Within PA, it ranks 494 of 2,088.
Learn more
Before leaning on 17581's figures: the frost range explains how to read the range around Terre Hill's dates instead of trusting one, while local microclimates explains what one yard in Terre Hill can differ from the 17581 normal.