Williamsburg, VA 23694 Frost Dates
23694, near Williamsburg, VA: the frost window
Around 04/01 is the usual last spring frost, about 216 days away. Fall's first freeze usually shows up around 11/09, roughly 221 days after the last spring frost.
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.
Stretching the season past the first frost
Williamsburg's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Williamsburg's last frost
04/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Williamsburg against the rest of the dataset
At roughly 221 frost-free days, Williamsburg places 12,463 of 40,283 ZIP codes in this dataset. Within VA, it ranks 269 of 1,178.
Learn more
Two guides worth reading on 23694: the frost range, on how to read the range around Williamsburg's dates instead of trusting one, and local microclimates, on what one yard in Williamsburg can differ from the 23694 normal.