New Philadelphia, OH 44679 Frost Dates
44679, near New Philadelphia, OH: the frost window
Around 04/26 is the usual last spring frost, about 241 days away. Fall's first freeze usually shows up around 10/21, roughly 176 days after the last spring frost.
New Philadelphia 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
New Philadelphia'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.
Why 04/26 isn't a guarantee
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 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.
New Philadelphia against the rest of the dataset
At roughly 176 frost-free days, New Philadelphia places 26,389 of 40,283 ZIP codes in this dataset. Within OH, it ranks 970 of 1,383.
Learn more
Two guides worth reading on 44679: local microclimates, on what one yard in New Philadelphia can differ from the 44679 normal, and zone vs. frost date, on why Zone 6b and New Philadelphia's frost date answer different questions.