Jewett City, CT 06256 Frost Dates
06256, near Jewett City, CT: the frost window
Typically, the last spring freeze lands around 04/28, roughly 243 days out. Fall's first freeze usually shows up around 10/13, roughly 167 days after the last spring frost.
Jewett City sits in USDA Zone 6b (-5 to 0°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.
Stretching the season past the first frost
Jewett City's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Jewett City's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Jewett City against the rest of the dataset
About 167 days separate Jewett City's last and first frost, putting it 29,980 of 40,283 ZIP codes nationally. Within CT, it ranks 348 of 391.
Learn more
Two guides worth reading on 06256: the frost range, on how to read the range around Jewett City's dates instead of trusting one, and local microclimates, on what one yard in Jewett City can differ from the 06256 normal.