East Butler, PA 16029 Frost Dates
East Butler, 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 11/02, roughly 199 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts East Butler 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 9 weeks until East Butler's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around East Butler's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
East Butler against the rest of the dataset
East Butler's growing season runs about 199 days, ranking 18,173 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 314 of 2,088.
Learn more
Before leaning on 16029's figures: local microclimates explains what one yard in East Butler can differ from the 16029 normal, while zone vs. frost date explains why Zone 6a and East Butler's frost date answer different questions.