Newbury, VT 03777 Frost Dates
Frost dates for Newbury, VT, ZIP 03777
Around 05/12 is the usual last spring frost, about 257 days away. The first fall frost typically arrives around 10/06, about 146 frost-free days later.
The USDA Plant Hardiness Zone Map puts Newbury 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 Newbury 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.
How much risk comes with planting early here
05/12 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 05/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Newbury compares
About 146 days separate Newbury's last and first frost, putting it 36,099 of 40,283 ZIP codes nationally. Within VT, it ranks 98 of 330.
Learn more
local microclimates explains what one yard in Newbury can differ from the 03777 normal, and zone vs. frost date explains why Zone 5a and Newbury's frost date answer different questions.