De Soto, MO 63030 Frost Dates
De Soto, MO: when does the frost end?
Typically, the last spring freeze lands around 04/11, roughly 226 days out. Fall's first freeze usually shows up around 10/28, roughly 198 days after the last spring frost.
De Soto sits in USDA Zone 6b (-5 to 0°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 9 weeks until De Soto's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around De Soto's last frost
04/11 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 04/30 and only about 1 year in 10 sees frost after that.
De Soto against the rest of the dataset
De Soto's growing season runs about 198 days, ranking 18,422 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 477 of 1,129.
Learn more
Before leaning on 63030's figures: the frost range explains how to read the range around De Soto's dates instead of trusting one, while local microclimates explains what one yard in De Soto can differ from the 63030 normal.