Rockport, IN 47635 Frost Dates
Frost dates for Rockport, IN, ZIP 47635
Typically, the last spring freeze lands around 04/12, roughly 227 days out. The first fall frost typically arrives around 10/25, about 196 frost-free days later.
The USDA Plant Hardiness Zone Map puts Rockport in Zone 7a (0 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 7a around Rockport has about 8 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 Rockport's last frost
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/28 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rockport compares
About 196 days separate Rockport's last and first frost, putting it 19,001 of 40,283 ZIP codes nationally. Within IN, it ranks 169 of 927.
Learn more
local microclimates explains what one yard in Rockport can differ from the 47635 normal, and zone vs. frost date explains why Zone 7a and Rockport's frost date answer different questions.