Geneseo, NY 14539 Frost Dates
14539, near Geneseo, 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 10/17, roughly 170 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Geneseo, not a forecast for this year.
Stretching the season past the first frost
Geneseo's growing season runs out in roughly 7 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 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Geneseo against the rest of the dataset
About 170 days separate Geneseo's last and first frost, putting it 28,954 of 40,283 ZIP codes nationally. Within NY, it ranks 749 of 1,951.
Learn more
Two guides worth reading on 14539: zone vs. frost date, on why Zone 6a and Geneseo's frost date answer different questions, and the frost range, on how to read the range around Geneseo's dates instead of trusting one.