Cambridge, VT 05490 Frost Dates
Frost dates for Cambridge, VT, ZIP 05490
Typically, the last spring freeze lands around 05/23, roughly 268 days out. The first fall frost typically arrives around 09/30, about 130 frost-free days later.
The USDA Plant Hardiness Zone Map puts Cambridge 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 Cambridge has about 5 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
05/23 is the middle of 30 years of NOAA records, not a promise. Plant by 05/05 and you're betting against frost in roughly 9 years out of 10. 06/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cambridge compares
About 130 days separate Cambridge's last and first frost, putting it 38,415 of 40,283 ZIP codes nationally. Within VT, it ranks 285 of 330.
Learn more
the frost range explains how to read the range around Cambridge's dates instead of trusting one, and local microclimates explains what one yard in Cambridge can differ from the 05490 normal.