Rensselaer, NY 12144 Frost Dates
Rensselaer, NY: when does the frost end?
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/26, roughly 190 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Rensselaer 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
With roughly 8 weeks until Rensselaer's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Rensselaer's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
Rensselaer against the rest of the dataset
About 190 days separate Rensselaer's last and first frost, putting it 21,106 of 40,283 ZIP codes nationally. Within NY, it ranks 369 of 1,951.
Learn more
Before leaning on 12144's figures: zone vs. frost date explains why Zone 6a and Rensselaer's frost date answer different questions, while the frost range explains how to read the range around Rensselaer's dates instead of trusting one.