Hyde Park, PA 15641 Frost Dates
15641, near Hyde Park, PA: the frost window
Typically, the last spring freeze lands around 04/16, roughly 231 days out. 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 Hyde Park 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
Hyde Park's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/16 isn't a guarantee
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.
Hyde Park against the rest of the dataset
At roughly 199 frost-free days, Hyde Park places 18,188 of 40,283 ZIP codes in this dataset. Within PA, it ranks 321 of 2,088.
Learn more
Two guides worth reading on 15641: the frost range, on how to read the range around Hyde Park's dates instead of trusting one, and local microclimates, on what one yard in Hyde Park can differ from the 15641 normal.