Manchester, VT 05255 Frost Dates
Manchester, VT: when does the frost end?
Around 05/13 is the usual last spring frost, about 258 days away. Fall's first freeze usually shows up around 09/29, roughly 137 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Manchester 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
With roughly 5 weeks until Manchester's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Manchester's last frost
05/13 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 05/28 and only about 1 year in 10 sees frost after that.
Manchester against the rest of the dataset
At roughly 137 frost-free days, Manchester places 37,549 of 40,283 ZIP codes in this dataset. Within VT, it ranks 203 of 330.
Learn more
Before leaning on 05255's figures: the frost range explains how to read the range around Manchester's dates instead of trusting one, while local microclimates explains what one yard in Manchester can differ from the 05255 normal.