Madison, MO 65263 Frost Dates
65263, near Madison, MO: the frost window
Around 04/13 is the usual last spring frost, about 228 days away. Fall's first freeze usually shows up around 10/25, roughly 195 days after the last spring frost.
Madison 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
Madison'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 Madison's last frost
04/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Madison against the rest of the dataset
At roughly 195 frost-free days, Madison places 19,330 of 40,283 ZIP codes in this dataset. Within MO, it ranks 605 of 1,129.
Learn more
Two guides worth reading on 65263: zone vs. frost date, on why Zone 6b and Madison's frost date answer different questions, and the frost range, on how to read the range around Madison's dates instead of trusting one.