Mount Kisco, NY 10506 Frost Dates
When can you plant in Mount Kisco, NY?
Typically, the last spring freeze lands around 04/17, roughly 232 days out. The first fall frost typically arrives around 10/23, about 188 frost-free days later.
Mount Kisco sits in USDA Zone 7a (0 to 5°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.
What to do before the first frost
About 8 weeks of growing season left in Mount Kisco before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Mount Kisco's last frost
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Mount Kisco compares
About 188 days separate Mount Kisco's last and first frost, putting it 21,921 of 40,283 ZIP codes nationally. Within NY, it ranks 411 of 1,951.
Learn more
local microclimates covers what one yard in Mount Kisco can differ from the 10506 normal. zone vs. frost date covers why Zone 7a and Mount Kisco's frost date answer different questions.