Ephrata, PA 17522 Frost Dates
Ephrata, PA: when does the frost end?
Around 04/18 is the usual last spring frost, about 233 days away. Fall's first freeze usually shows up around 10/25, roughly 186 days after the last spring frost.
Ephrata 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
With roughly 8 weeks until Ephrata's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Ephrata's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Ephrata against the rest of the dataset
About 186 days separate Ephrata's last and first frost, putting it 22,745 of 40,283 ZIP codes nationally. Within PA, it ranks 641 of 2,088.
Learn more
Before leaning on 17522's figures: zone vs. frost date explains why Zone 7a and Ephrata's frost date answer different questions, while the frost range explains how to read the range around Ephrata's dates instead of trusting one.