Hannibal, NY 13074 Frost Dates
Hannibal, NY: when does the frost end?
The last spring frost here typically falls around 04/22, about 237 days from today. Fall's first freeze usually shows up around 10/29, roughly 187 days after the last spring frost.
Hannibal sits in USDA Zone 6a (-10 to -5°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
With roughly 9 weeks until Hannibal's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Hannibal's last frost
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Hannibal against the rest of the dataset
Hannibal's growing season runs about 187 days, ranking 22,546 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 451 of 1,951.
Learn more
Before leaning on 13074's figures: local microclimates explains what one yard in Hannibal can differ from the 13074 normal, while zone vs. frost date explains why Zone 6a and Hannibal's frost date answer different questions.