FrostDateCheck

Jacksonville, VT 05363 Frost Dates

Frost dates for Jacksonville, VT, ZIP 05363

Zone 5a

Typically, the last spring freeze lands around 05/14, roughly 259 days out. The first fall frost typically arrives around 10/04, about 143 frost-free days later.

The USDA Plant Hardiness Zone Map puts Jacksonville 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 Jacksonville 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.

The actual range around Jacksonville's last frost

05/14 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. 05/26 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Jacksonville compares

At roughly 143 frost-free days, Jacksonville places 36,650 of 40,283 ZIP codes in this dataset. Within VT, it ranks 130 of 330.

Learn more

the frost range explains how to read the range around Jacksonville's dates instead of trusting one, and local microclimates explains what one yard in Jacksonville can differ from the 05363 normal.