Glens Falls, NY 12801 Frost Dates
Glens Falls, NY: when does the frost end?
Typically, the last spring freeze lands around 05/17, roughly 262 days out. Fall's first freeze usually shows up around 09/29, roughly 135 days after the last spring frost.
Glens Falls sits in USDA Zone 5a (-20 to -15°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 5 weeks until Glens Falls's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Glens Falls's last frost
05/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/31 and only about 1 year in 10 sees frost after that.
Glens Falls against the rest of the dataset
Glens Falls's growing season runs about 135 days, ranking 37,829 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,838 of 1,951.
Learn more
Before leaning on 12801's figures: local microclimates explains what one yard in Glens Falls can differ from the 12801 normal, while zone vs. frost date explains why Zone 5a and Glens Falls's frost date answer different questions.