Meriden, CT 06410 Frost Dates
Frost dates for Meriden, CT, ZIP 06410
The last spring frost here typically falls around 04/26, about 241 days from today. The first fall frost typically arrives around 10/16, about 175 frost-free days later.
Meriden 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 Meriden 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.
How much risk comes with planting early here
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Meriden compares
About 175 days separate Meriden's last and first frost, putting it 26,714 of 40,283 ZIP codes nationally. Within CT, it ranks 294 of 391.
Learn more
zone vs. frost date explains why Zone 6b and Meriden's frost date answer different questions, and the frost range explains how to read the range around Meriden's dates instead of trusting one.