McKenney, VA 23889 Frost Dates
McKenney, VA: when does the frost end?
Around 03/31 is the usual last spring frost, about 215 days away. Fall's first freeze usually shows up around 11/06, roughly 221 days after the last spring frost.
McKenney sits in USDA Zone 7b (5 to 10°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
With roughly 10 weeks until McKenney's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/17 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.
McKenney against the rest of the dataset
About 221 days separate McKenney's last and first frost, putting it 12,577 of 40,283 ZIP codes nationally. Within VA, it ranks 284 of 1,178.
Learn more
Before leaning on 23889's figures: zone vs. frost date explains why Zone 7b and McKenney's frost date answer different questions, while the frost range explains how to read the range around McKenney's dates instead of trusting one.