Middleburg, VA 20118 Frost Dates
Frost dates for Middleburg, VA, ZIP 20118
Typically, the last spring freeze lands around 04/17, roughly 232 days out. The first fall frost typically arrives around 11/01, about 198 frost-free days later.
Zone 7a (0 to 5°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 Middleburg, not a forecast for this year.
What to do before the first frost
Zone 7a around Middleburg has about 9 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
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Middleburg compares
Middleburg's growing season runs about 198 days, ranking 18,500 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 710 of 1,178.
Learn more
local microclimates explains what one yard in Middleburg can differ from the 20118 normal, and zone vs. frost date explains why Zone 7a and Middleburg's frost date answer different questions.