Jewett City, CT 06350 Frost Dates
Frost dates for Jewett City, CT, ZIP 06350
Typically, the last spring freeze lands around 04/14, roughly 229 days out. The first fall frost typically arrives around 10/24, about 192 frost-free days later.
Zone 6b (-5 to 0°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 Jewett City, not a forecast for this year.
What to do before the first frost
Zone 6b around Jewett City 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.
How much risk comes with planting early here
04/14 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jewett City compares
At roughly 192 frost-free days, Jewett City places 20,319 of 40,283 ZIP codes in this dataset. Within CT, it ranks 120 of 391.
Learn more
zone vs. frost date explains why Zone 6b and Jewett City's frost date answer different questions, and the frost range explains how to read the range around Jewett City's dates instead of trusting one.