Montpelier, VT 05602 Frost Dates
Frost dates for Montpelier, VT, ZIP 05602
Typically, the last spring freeze lands around 05/05, roughly 250 days out. The first fall frost typically arrives around 10/09, about 157 frost-free days later.
The USDA Plant Hardiness Zone Map puts Montpelier 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 Montpelier has about 6 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 Montpelier's last frost
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. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Montpelier compares
About 157 days separate Montpelier's last and first frost, putting it 33,288 of 40,283 ZIP codes nationally. Within VT, it ranks 44 of 330.
Learn more
the frost range explains how to read the range around Montpelier's dates instead of trusting one, and local microclimates explains what one yard in Montpelier can differ from the 05602 normal.