Danielson, CT 06377 Frost Dates
06377, near Danielson, CT: the frost window
The last spring frost here typically falls around 05/01, about 246 days from today. Fall's first freeze usually shows up around 10/09, roughly 161 days after the last spring frost.
Danielson 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
Danielson's growing season runs out in roughly 6 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 Danielson's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/17 and only about 1 year in 10 sees frost after that.
Danielson against the rest of the dataset
Danielson's growing season runs about 161 days, ranking 32,040 of 40,283 US ZIP codes measured here, longest to shortest. Within CT, it ranks 375 of 391.
Learn more
Two guides worth reading on 06377: zone vs. frost date, on why Zone 6b and Danielson's frost date answer different questions, and the frost range, on how to read the range around Danielson's dates instead of trusting one.