Montpelier, VT 05633 Frost Dates
Frost dates for Montpelier, VT, ZIP 05633
The last spring frost here typically falls around 05/05, about 250 days from today. The first fall frost typically arrives around 10/09, about 157 frost-free days later.
Montpelier sits in USDA Zone 4b (-25 to -20°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 4b 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 33,292 of 40,283 ZIP codes nationally. Within VT, it ranks 48 of 330.
Learn more
zone vs. frost date explains why Zone 4b 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.