Granville, NY 12832 Frost Dates
12832, near Granville, NY: the frost window
The last spring frost here typically falls around 04/30, about 245 days from today. Fall's first freeze usually shows up around 10/12, roughly 164 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Granville in Zone 5a (-20 to -15°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
Granville's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/30 isn't a guarantee
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Granville against the rest of the dataset
Granville's growing season runs about 164 days, ranking 30,979 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 915 of 1,951.
Learn more
Two guides worth reading on 12832: the frost range, on how to read the range around Granville's dates instead of trusting one, and local microclimates, on what one yard in Granville can differ from the 12832 normal.