Tower City, PA 17957 Frost Dates
Tower City, PA: when does the frost end?
The last spring frost here typically falls around 04/27, about 242 days from today. Fall's first freeze usually shows up around 10/20, roughly 172 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Tower City 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 Tower City's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/15 and only about 1 year in 10 sees frost after that.
Tower City against the rest of the dataset
At roughly 172 frost-free days, Tower City places 28,372 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,376 of 2,088.
Learn more
Before leaning on 17957's figures: the frost range explains how to read the range around Tower City's dates instead of trusting one, while local microclimates explains what one yard in Tower City can differ from the 17957 normal.