Danielson, CT 06235 Frost Dates
Frost dates for Danielson, CT, ZIP 06235
The last spring frost here typically falls around 04/28, about 243 days from today. The first fall frost typically arrives around 10/13, about 167 frost-free days later.
Danielson sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 6b around Danielson has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/28 isn't a guarantee
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 Danielson compares
About 167 days separate Danielson's last and first frost, putting it 29,965 of 40,283 ZIP codes nationally. Within CT, it ranks 344 of 391.
Learn more
the frost range explains how to read the range around Danielson's dates instead of trusting one, and local microclimates explains what one yard in Danielson can differ from the 06235 normal.