Montross, VA 22469 Frost Dates
Montross, VA: when does the frost end?
Around 04/08 is the usual last spring frost, about 223 days away. Fall's first freeze usually shows up around 10/30, roughly 204 days after the last spring frost.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Montross, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Montross's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Montross's last frost
04/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/23 and only about 1 year in 10 sees frost after that.
Montross against the rest of the dataset
About 204 days separate Montross's last and first frost, putting it 16,753 of 40,283 ZIP codes nationally. Within VA, it ranks 555 of 1,178.
Learn more
Before leaning on 22469's figures: the frost range explains how to read the range around Montross's dates instead of trusting one, while local microclimates explains what one yard in Montross can differ from the 22469 normal.