FrostDateCheck

Millerton, NY 12546 Frost Dates

12546, near Millerton, NY: the frost window

Zone 6a

The last spring frost here typically falls around 05/04, about 249 days from today. Fall's first freeze usually shows up around 10/11, roughly 160 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Millerton in Zone 6a (-10 to -5°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

Millerton'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.

How much risk comes with planting early here

05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.

Millerton against the rest of the dataset

Millerton's growing season runs about 160 days, ranking 32,442 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,135 of 1,951.

Learn more

Two guides worth reading on 12546: the frost range, on how to read the range around Millerton's dates instead of trusting one, and local microclimates, on what one yard in Millerton can differ from the 12546 normal.