Vienna, MO 65580 Frost Dates
Vienna, MO: when does the frost end?
The last spring frost here typically falls around 04/12, about 227 days from today. Fall's first freeze usually shows up around 10/25, roughly 194 days after the last spring frost.
Vienna 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 8 weeks until Vienna's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Vienna's last frost
04/12 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.
Vienna against the rest of the dataset
At roughly 194 frost-free days, Vienna places 19,571 of 40,283 ZIP codes in this dataset. Within MO, it ranks 648 of 1,129.
Learn more
Before leaning on 65580's figures: local microclimates explains what one yard in Vienna can differ from the 65580 normal, while zone vs. frost date explains why Zone 6b and Vienna's frost date answer different questions.