Newbury, VT 03779 Frost Dates
When can you plant in Newbury, VT?
Typically, the last spring freeze lands around 05/15, roughly 260 days out. The first fall frost typically arrives around 09/28, about 133 frost-free days later.
Newbury sits in USDA Zone 5a (-20 to -15°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
About 4 weeks of growing season left in Newbury before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/15 isn't a guarantee
05/15 is the middle of 30 years of NOAA records, not a promise. Plant by 05/01 and you're betting against frost in roughly 9 years out of 10. 06/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Newbury compares
About 133 days separate Newbury's last and first frost, putting it 38,098 of 40,283 ZIP codes nationally. Within VT, it ranks 253 of 330.
Learn more
local microclimates covers what one yard in Newbury can differ from the 03779 normal. zone vs. frost date covers why Zone 5a and Newbury's frost date answer different questions.