FrostDateCheck

Millbrook, NY 12585 Frost Dates

Millbrook, NY: when does the frost end?

Zone 6a

Around 05/04 is the usual last spring frost, about 249 days away. Fall's first freeze usually shows up around 10/07, roughly 155 days after the last spring frost.

Millbrook 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 Millbrook's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Millbrook's last frost

05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/21 and only about 1 year in 10 sees frost after that.

Millbrook against the rest of the dataset

At roughly 155 frost-free days, Millbrook places 34,020 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,392 of 1,951.

Learn more

Before leaning on 12585's figures: local microclimates explains what one yard in Millbrook can differ from the 12585 normal, while zone vs. frost date explains why Zone 6a and Millbrook's frost date answer different questions.