Jewett City, CT 06330 Frost Dates
When can you plant in Jewett City, CT?
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
About 8 weeks of growing season left in Jewett City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/14 isn't a guarantee
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
Jewett City's growing season runs about 192 days, ranking 20,318 of 40,283 US ZIP codes measured here, longest to shortest. Within CT, it ranks 119 of 391.
Learn more
zone vs. frost date covers why Zone 6b and Jewett City's frost date answer different questions. the frost range covers how to read the range around Jewett City's dates instead of trusting one.