Harrisonburg, VA 22802 Frost Dates
22802, near Harrisonburg, VA: the frost window
Typically, the last spring freeze lands around 04/21, roughly 236 days out. Fall's first freeze usually shows up around 10/23, roughly 182 days after the last spring frost.
Harrisonburg 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
Harrisonburg's growing season runs out in roughly 8 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 Harrisonburg's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Harrisonburg against the rest of the dataset
At roughly 182 frost-free days, Harrisonburg places 24,070 of 40,283 ZIP codes in this dataset. Within VA, it ranks 969 of 1,178.
Learn more
Two guides worth reading on 22802: the frost range, on how to read the range around Harrisonburg's dates instead of trusting one, and local microclimates, on what one yard in Harrisonburg can differ from the 22802 normal.