Williamsburg, VA 23081 Frost Dates
23081, near Williamsburg, VA: the frost window
The last spring frost here typically falls around 03/31, about 215 days from today. Fall's first freeze usually shows up around 11/10, roughly 225 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 11 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
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/14 and only about 1 year in 10 sees frost after that.
Williamsburg against the rest of the dataset
At roughly 225 frost-free days, Williamsburg places 11,374 of 40,283 ZIP codes in this dataset. Within VA, it ranks 168 of 1,178.
Learn more
Two guides worth reading on 23081: local microclimates, on what one yard in Williamsburg can differ from the 23081 normal, and zone vs. frost date, on why Zone 8a and Williamsburg's frost date answer different questions.