South Dayton, NY 14726 Frost Dates
When can you plant in South Dayton, NY?
Around 05/17 is the usual last spring frost, about 262 days away. The first fall frost typically arrives around 10/01, about 136 frost-free days later.
Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for South Dayton, not a forecast for this year.
What to do before the first frost
About 5 weeks of growing season left in South Dayton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around South Dayton's last frost
05/17 is the middle of 30 years of NOAA records, not a promise. Plant by 05/01 and you're betting against frost in roughly 9 years out of 10. 05/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How South Dayton compares
At roughly 136 frost-free days, South Dayton places 37,758 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,832 of 1,951.
Learn more
local microclimates covers what one yard in South Dayton can differ from the 14726 normal. zone vs. frost date covers why Zone 5b and South Dayton's frost date answer different questions.