Manor, PA 15665 Frost Dates
15665, near Manor, PA: the frost window
Around 05/02 is the usual last spring frost, about 247 days away. Fall's first freeze usually shows up around 10/20, roughly 170 days after the last spring frost.
Manor sits in USDA Zone 6b (-5 to 0°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
Manor's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Manor's last frost
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/20 and only about 1 year in 10 sees frost after that.
Manor against the rest of the dataset
At roughly 170 frost-free days, Manor places 29,019 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,475 of 2,088.
Learn more
Two guides worth reading on 15665: the frost range, on how to read the range around Manor's dates instead of trusting one, and local microclimates, on what one yard in Manor can differ from the 15665 normal.