Onley, VA 23418 Frost Dates
When can you plant in Onley, VA?
Typically, the last spring freeze lands around 04/04, roughly 219 days out. The first fall frost typically arrives around 11/07, about 216 frost-free days later.
Zone 8a (10 to 15°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 Onley, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Onley before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/21 and you're betting against frost in roughly 9 years out of 10. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Onley compares
About 216 days separate Onley's last and first frost, putting it 13,877 of 40,283 ZIP codes nationally. Within VA, it ranks 318 of 1,178.
Learn more
the frost range covers how to read the range around Onley's dates instead of trusting one. local microclimates covers what one yard in Onley can differ from the 23418 normal.