Amsterdam, NY 12137 Frost Dates
Amsterdam, NY: when does the frost end?
Around 05/07 is the usual last spring frost, about 252 days away. Fall's first freeze usually shows up around 10/07, roughly 153 days after the last spring frost.
Zone 5b (-15 to -10°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 Amsterdam, not a forecast for this year.
Stretching the season past the first frost
With roughly 6 weeks until Amsterdam's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Amsterdam's last frost
05/07 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 05/23 and only about 1 year in 10 sees frost after that.
Amsterdam against the rest of the dataset
At roughly 153 frost-free days, Amsterdam places 34,486 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,440 of 1,951.
Learn more
Before leaning on 12137's figures: local microclimates explains what one yard in Amsterdam can differ from the 12137 normal, while zone vs. frost date explains why Zone 5b and Amsterdam's frost date answer different questions.