Port Dickinson, NY 13745 Frost Dates
13745, near Port Dickinson, NY: the frost window
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.
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 Port Dickinson, not a forecast for this year.
Stretching the season past the first frost
Port Dickinson'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 05/02 isn't a guarantee
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 31,769 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,016 of 1,951.
Learn more
Two guides worth reading on 13745: zone vs. frost date, on why Zone 6a and Port Dickinson's frost date answer different questions, and the frost range, on how to read the range around Port Dickinson's dates instead of trusting one.