New Haven, IN 46835 Frost Dates
Frost dates for New Haven, IN, ZIP 46835
The last spring frost here typically falls around 04/27, about 242 days from today. The first fall frost typically arrives around 10/19, about 174 frost-free days later.
The USDA Plant Hardiness Zone Map puts New Haven 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 New Haven 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.
How much risk comes with planting early here
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Haven compares
About 174 days separate New Haven's last and first frost, putting it 27,383 of 40,283 ZIP codes nationally. Within IN, it ranks 656 of 927.
Learn more
the frost range explains how to read the range around New Haven's dates instead of trusting one, and local microclimates explains what one yard in New Haven can differ from the 46835 normal.