Olean, NY 14760 Frost Dates
When can you plant in Olean, NY?
Typically, the last spring freeze lands around 05/07, roughly 252 days out. The first fall frost typically arrives around 10/11, about 156 frost-free days later.
Olean 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.
What to do before the first frost
About 6 weeks of growing season left in Olean before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Olean's last frost
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Olean compares
About 156 days separate Olean's last and first frost, putting it 33,546 of 40,283 ZIP codes nationally. Within NY, it ranks 1,264 of 1,951.
Learn more
zone vs. frost date covers why Zone 5b and Olean's frost date answer different questions. the frost range covers how to read the range around Olean's dates instead of trusting one.