FrostDateCheck

Jewett City, CT 06280 Frost Dates

When can you plant in Jewett City, CT?

Zone 6b

Around 04/28 is the usual last spring frost, about 243 days away. The first fall frost typically arrives around 10/13, about 167 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 7 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.

The actual range around Jewett City's last frost

04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Jewett City compares

About 167 days separate Jewett City's last and first frost, putting it 29,982 of 40,283 ZIP codes nationally. Within CT, it ranks 350 of 391.

Learn more

local microclimates covers what one yard in Jewett City can differ from the 06280 normal. zone vs. frost date covers why Zone 6b and Jewett City's frost date answer different questions.