Williamsburg, VA 23183 Frost Dates
When can you plant in Williamsburg, VA?
Typically, the last spring freeze lands around 04/01, roughly 216 days out. The first fall frost typically arrives around 11/10, about 223 frost-free days later.
Williamsburg sits in USDA Zone 8a (10 to 15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 11 weeks of growing season left in Williamsburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Williamsburg's last frost
04/01 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Williamsburg compares
Williamsburg's growing season runs about 223 days, ranking 12,036 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 208 of 1,178.
Learn more
the frost range covers how to read the range around Williamsburg's dates instead of trusting one. local microclimates covers what one yard in Williamsburg can differ from the 23183 normal.