New Britain, CT 06053 Frost Dates
New Britain, CT: when does the frost end?
Typically, the last spring freeze lands around 04/17, roughly 232 days out. Fall's first freeze usually shows up around 10/26, roughly 191 days after the last spring frost.
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 New Britain, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until New Britain's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around New Britain's last frost
04/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/01 and only about 1 year in 10 sees frost after that.
New Britain against the rest of the dataset
New Britain's growing season runs about 191 days, ranking 20,685 of 40,283 US ZIP codes measured here, longest to shortest. Within CT, it ranks 194 of 391.
Learn more
Before leaning on 06053's figures: the frost range explains how to read the range around New Britain's dates instead of trusting one, while local microclimates explains what one yard in New Britain can differ from the 06053 normal.