Jewett City, CT 02873 Frost Dates
When can you plant in Jewett City, CT?
The last spring frost here typically falls around 04/11, about 226 days from today. The first fall frost typically arrives around 10/31, about 201 frost-free days later.
The USDA Plant Hardiness Zone Map puts Jewett City in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 9 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 04/11 isn't a guarantee
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jewett City compares
At roughly 201 frost-free days, Jewett City places 17,514 of 40,283 ZIP codes in this dataset. Within CT, it ranks 32 of 391.
Learn more
local microclimates covers what one yard in Jewett City can differ from the 02873 normal. zone vs. frost date covers why Zone 6b and Jewett City's frost date answer different questions.