Bantam, CT 06763 Frost Dates
Frost dates for Bantam, CT, ZIP 06763
The last spring frost here typically falls around 05/08, about 253 days from today. The first fall frost typically arrives around 10/05, about 151 frost-free days later.
Bantam sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 6a around Bantam has about 5 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
05/08 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bantam compares
At roughly 151 frost-free days, Bantam places 35,113 of 40,283 ZIP codes in this dataset. Within CT, it ranks 390 of 391.
Learn more
the frost range explains how to read the range around Bantam's dates instead of trusting one, and local microclimates explains what one yard in Bantam can differ from the 06763 normal.