West Haverstraw, NY 10927 Frost Dates
10927, near West Haverstraw, NY: the frost window
Around 04/30 is the usual last spring frost, about 245 days away. Fall's first freeze usually shows up around 10/17, roughly 172 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts West Haverstraw in Zone 7a (0 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
West Haverstraw's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around West Haverstraw's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
West Haverstraw against the rest of the dataset
At roughly 172 frost-free days, West Haverstraw places 28,224 of 40,283 ZIP codes in this dataset. Within NY, it ranks 697 of 1,951.
Learn more
Two guides worth reading on 10927: the frost range, on how to read the range around West Haverstraw's dates instead of trusting one, and local microclimates, on what one yard in West Haverstraw can differ from the 10927 normal.