Vergennes, VT 05734 Frost Dates
Frost dates for Vergennes, VT, ZIP 05734
Around 05/05 is the usual last spring frost, about 250 days away. The first fall frost typically arrives around 10/03, about 151 frost-free days later.
Vergennes sits in USDA Zone 5a (-20 to -15°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 5a around Vergennes has about 5 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 05/05 isn't a guarantee
05/05 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Vergennes compares
At roughly 151 frost-free days, Vergennes places 35,031 of 40,283 ZIP codes in this dataset. Within VT, it ranks 61 of 330.
Learn more
the frost range explains how to read the range around Vergennes's dates instead of trusting one, and local microclimates explains what one yard in Vergennes can differ from the 05734 normal.