Jonesville, VA 40820 Frost Dates
Frost dates for Jonesville, VA, ZIP 40820
The last spring frost here typically falls around 04/22, about 237 days from today. The first fall frost typically arrives around 10/20, about 179 frost-free days later.
The USDA Plant Hardiness Zone Map puts Jonesville in Zone 7a (0 to 5°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 7a around Jonesville has about 8 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
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jonesville compares
About 179 days separate Jonesville's last and first frost, putting it 25,411 of 40,283 ZIP codes nationally. Within VA, it ranks 1,039 of 1,178.
Learn more
local microclimates explains what one yard in Jonesville can differ from the 40820 normal, and zone vs. frost date explains why Zone 7a and Jonesville's frost date answer different questions.