Newbury, VT 05039 Frost Dates
05039, near Newbury, VT: the frost window
The last spring frost here typically falls around 05/14, about 259 days from today. Fall's first freeze usually shows up around 09/29, roughly 136 days after the last spring frost.
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.
Stretching the season past the first frost
Newbury's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Newbury's last frost
05/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/29 and only about 1 year in 10 sees frost after that.
Newbury against the rest of the dataset
At roughly 136 frost-free days, Newbury places 37,766 of 40,283 ZIP codes in this dataset. Within VT, it ranks 226 of 330.
Learn more
Two guides worth reading on 05039: local microclimates, on what one yard in Newbury can differ from the 05039 normal, and zone vs. frost date, on why Zone 5a and Newbury's frost date answer different questions.