Augusta, MO 63055 Frost Dates
Augusta, MO: when does the frost end?
Typically, the last spring freeze lands around 04/08, roughly 223 days out. Fall's first freeze usually shows up around 10/25, roughly 199 days after the last spring frost.
Zone 6b (-5 to 0°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 Augusta, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Augusta's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Augusta's last frost
04/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/22 and only about 1 year in 10 sees frost after that.
Augusta against the rest of the dataset
About 199 days separate Augusta's last and first frost, putting it 18,210 of 40,283 ZIP codes nationally. Within MO, it ranks 450 of 1,129.
Learn more
Before leaning on 63055's figures: the frost range explains how to read the range around Augusta's dates instead of trusting one, while local microclimates explains what one yard in Augusta can differ from the 63055 normal.