Senath, MO 63876 Frost Dates
63876, near Senath, MO: the frost window
Typically, the last spring freeze lands around 03/31, roughly 215 days out. Fall's first freeze usually shows up around 11/01, roughly 215 days after the last spring frost.
Senath sits in USDA Zone 7b (5 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
Senath's growing season runs out in roughly 9 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 Senath's last frost
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
Senath against the rest of the dataset
About 215 days separate Senath's last and first frost, putting it 14,129 of 40,283 ZIP codes nationally. Within MO, it ranks 120 of 1,129.
Learn more
Two guides worth reading on 63876: zone vs. frost date, on why Zone 7b and Senath's frost date answer different questions, and the frost range, on how to read the range around Senath's dates instead of trusting one.