FrostDateCheck

Rochester, NY 14613 Frost Dates

14613, near Rochester, NY: the frost window

Zone 6b

Around 04/24 is the usual last spring frost, about 239 days away. Fall's first freeze usually shows up around 10/25, roughly 181 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Rochester 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

Rochester'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 Rochester's last frost

04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/08 and only about 1 year in 10 sees frost after that.

Rochester against the rest of the dataset

Rochester's growing season runs about 181 days, ranking 24,418 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 555 of 1,951.

Learn more

Two guides worth reading on 14613: zone vs. frost date, on why Zone 6b and Rochester's frost date answer different questions, and the frost range, on how to read the range around Rochester's dates instead of trusting one.