Ravenwood, MO 64479 Frost Dates
64479, near Ravenwood, MO: the frost window
Around 04/17 is the usual last spring frost, about 232 days away. Fall's first freeze usually shows up around 10/20, roughly 184 days after the last spring frost.
Ravenwood sits in USDA Zone 5b (-15 to -10°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
Ravenwood's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Ravenwood's last frost
04/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 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.
Ravenwood against the rest of the dataset
Ravenwood's growing season runs about 184 days, ranking 23,632 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 915 of 1,129.
Learn more
Two guides worth reading on 64479: the frost range, on how to read the range around Ravenwood's dates instead of trusting one, and local microclimates, on what one yard in Ravenwood can differ from the 64479 normal.