Port Dickinson, NY 13901 Frost Dates
Port Dickinson, NY: when does the frost end?
Around 05/02 is the usual last spring frost, about 247 days away. Fall's first freeze usually shows up around 10/11, roughly 162 days after the last spring frost.
Port Dickinson 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 6 weeks until Port Dickinson's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Port Dickinson's last frost
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Port Dickinson against the rest of the dataset
At roughly 162 frost-free days, Port Dickinson places 31,771 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,018 of 1,951.
Learn more
Before leaning on 13901's figures: the frost range explains how to read the range around Port Dickinson's dates instead of trusting one, while local microclimates explains what one yard in Port Dickinson can differ from the 13901 normal.