Montpelier, VT 05677 Frost Dates
Frost dates for Montpelier, VT, ZIP 05677
Around 05/04 is the usual last spring frost, about 249 days away. The first fall frost typically arrives around 10/05, about 153 frost-free days later.
Zone 5a (-20 to -15°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 Montpelier, not a forecast for this year.
What to do before the first frost
Zone 5a around Montpelier 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.
The actual range around Montpelier's last frost
05/04 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. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Montpelier compares
At roughly 153 frost-free days, Montpelier places 34,500 of 40,283 ZIP codes in this dataset. Within VT, it ranks 50 of 330.
Learn more
zone vs. frost date explains why Zone 5a and Montpelier's frost date answer different questions, and the frost range explains how to read the range around Montpelier's dates instead of trusting one.