Washburn, MO 65772 Frost Dates
Washburn, MO: when does the frost end?
Typically, the last spring freeze lands around 04/04, roughly 219 days out. Fall's first freeze usually shows up around 10/30, roughly 207 days after the last spring frost.
Washburn 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
With roughly 9 weeks until Washburn'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
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 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.
Washburn against the rest of the dataset
About 207 days separate Washburn's last and first frost, putting it 15,870 of 40,283 ZIP codes nationally. Within MO, it ranks 207 of 1,129.
Learn more
Before leaning on 65772's figures: local microclimates explains what one yard in Washburn can differ from the 65772 normal, while zone vs. frost date explains why Zone 7a and Washburn's frost date answer different questions.