FrostDateCheck

Mount Morris, NY 14510 Frost Dates

Frost dates for Mount Morris, NY, ZIP 14510

Zone 6a

The last spring frost here typically falls around 04/30, about 245 days from today. The first fall frost typically arrives around 10/17, about 170 frost-free days later.

The USDA Plant Hardiness Zone Map puts Mount Morris in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

Zone 6a around Mount Morris has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around Mount Morris's last frost

04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Mount Morris compares

About 170 days separate Mount Morris's last and first frost, putting it 29,027 of 40,283 ZIP codes nationally. Within NY, it ranks 759 of 1,951.

Learn more

local microclimates explains what one yard in Mount Morris can differ from the 14510 normal, and zone vs. frost date explains why Zone 6a and Mount Morris's frost date answer different questions.