Andover, NY 14897 Frost Dates
Andover, NY: when does the frost end?
Around 05/15 is the usual last spring frost, about 260 days away. Fall's first freeze usually shows up around 10/02, roughly 140 days after the last spring frost.
Andover sits in USDA Zone 5b (-15 to -10°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 Andover's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Andover's last frost
05/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 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.
Andover against the rest of the dataset
Andover's growing season runs about 140 days, ranking 37,081 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,798 of 1,951.
Learn more
Before leaning on 14897's figures: local microclimates explains what one yard in Andover can differ from the 14897 normal, while zone vs. frost date explains why Zone 5b and Andover's frost date answer different questions.