Fenwick, CT 06442 Frost Dates
When can you plant in Fenwick, CT?
Typically, the last spring freeze lands around 04/06, roughly 221 days out. The first fall frost typically arrives around 11/17, about 221 frost-free days later.
Fenwick sits in USDA Zone 7a (0 to 5°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
About 12 weeks of growing season left in Fenwick before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Fenwick's last frost
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/25 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fenwick compares
Fenwick's growing season runs about 221 days, ranking 12,621 of 40,283 US ZIP codes measured here, longest to shortest. Within CT, it ranks 5 of 391.
Learn more
the frost range covers how to read the range around Fenwick's dates instead of trusting one. local microclimates covers what one yard in Fenwick can differ from the 06442 normal.