Wells River, VT 03580 Frost Dates
Frost dates for Wells River, VT, ZIP 03580
Typically, the last spring freeze lands around 05/24, roughly 269 days out. The first fall frost typically arrives around 09/18, about 116 frost-free days later.
The USDA Plant Hardiness Zone Map puts Wells River in Zone 5a (-20 to -15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 5a around Wells River has about 3 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.
The actual range around Wells River's last frost
05/24 is the middle of 30 years of NOAA records, not a promise. Plant by 05/06 and you're betting against frost in roughly 9 years out of 10. 06/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wells River compares
At roughly 116 frost-free days, Wells River places 39,292 of 40,283 ZIP codes in this dataset. Within VT, it ranks 319 of 330.
Learn more
local microclimates explains what one yard in Wells River can differ from the 03580 normal, and zone vs. frost date explains why Zone 5a and Wells River's frost date answer different questions.