Fenwick, CT 06409 Frost Dates
Fenwick, CT: when does the frost end?
The last spring frost here typically falls around 04/06, about 221 days from today. Fall's first freeze usually shows up around 11/17, roughly 221 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Fenwick in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 12 weeks until Fenwick's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Fenwick's last frost
04/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
Fenwick against the rest of the dataset
Fenwick's growing season runs about 221 days, ranking 12,617 of 40,283 US ZIP codes measured here, longest to shortest. Within CT, it ranks 1 of 391.
Learn more
Before leaning on 06409's figures: zone vs. frost date explains why Zone 7a and Fenwick's frost date answer different questions, while the frost range explains how to read the range around Fenwick's dates instead of trusting one.