Dillwyn, VA 23040 Frost Dates
23040, near Dillwyn, VA: the frost window
Typically, the last spring freeze lands around 04/28, roughly 243 days out. Fall's first freeze usually shows up around 10/17, roughly 172 days after the last spring frost.
Dillwyn sits in USDA Zone 7a (0 to 5°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
Dillwyn's growing season runs out in roughly 7 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 Dillwyn's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Dillwyn against the rest of the dataset
Dillwyn's growing season runs about 172 days, ranking 28,455 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 1,125 of 1,178.
Learn more
Two guides worth reading on 23040: zone vs. frost date, on why Zone 7a and Dillwyn's frost date answer different questions, and the frost range, on how to read the range around Dillwyn's dates instead of trusting one.