Cambridge City, IN 47327 Frost Dates
Frost dates for Cambridge City, IN, ZIP 47327
Around 04/27 is the usual last spring frost, about 242 days away. The first fall frost typically arrives around 10/09, about 164 frost-free days later.
The USDA Plant Hardiness Zone Map puts Cambridge City 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 Cambridge City has about 6 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 04/16 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cambridge City compares
Cambridge City's growing season runs about 164 days, ranking 31,005 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 875 of 927.
Learn more
local microclimates explains what one yard in Cambridge City can differ from the 47327 normal, and zone vs. frost date explains why Zone 6a and Cambridge City's frost date answer different questions.