FrostDateCheck

Hampton, VA 23670 Frost Dates

Frost dates for Hampton, VA, ZIP 23670

Zone 8b

Around 03/24 is the usual last spring frost, about 208 days away. The first fall frost typically arrives around 11/15, about 238 frost-free days later.

Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Hampton, not a forecast for this year.

What to do before the first frost

Zone 8b around Hampton has about 11 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

03/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/09 and you're betting against frost in roughly 9 years out of 10. 04/06 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Hampton compares

Hampton's growing season runs about 238 days, ranking 8,926 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 81 of 1,178.

Learn more

the frost range explains how to read the range around Hampton's dates instead of trusting one, and local microclimates explains what one yard in Hampton can differ from the 23670 normal.