Vergennes, VT 12961 Frost Dates
Frost dates for Vergennes, VT, ZIP 12961
The last spring frost here typically falls around 05/05, about 250 days from today. The first fall frost typically arrives around 10/03, about 151 frost-free days later.
Zone 4b (-25 to -20°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 Vergennes, not a forecast for this year.
What to do before the first frost
Zone 4b 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.
How much risk comes with planting early here
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 35,038 of 40,283 ZIP codes in this dataset. Within VT, it ranks 68 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 12961 normal.