Richville, NY 13670 Frost Dates
Frost dates for Richville, NY, ZIP 13670
The last spring frost here typically falls around 05/18, about 263 days from today. The first fall frost typically arrives around 09/28, about 132 frost-free days later.
Zone 4a (-30 to -25°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 Richville, not a forecast for this year.
What to do before the first frost
Zone 4a around Richville has about 4 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.
Why 05/18 isn't a guarantee
05/18 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. 06/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Richville compares
Richville's growing season runs about 132 days, ranking 38,227 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,898 of 1,951.
Learn more
local microclimates explains what one yard in Richville can differ from the 13670 normal, and zone vs. frost date explains why Zone 4a and Richville's frost date answer different questions.