Oak Grove, MO 64075 Frost Dates
64075, near Oak Grove, MO: the frost window
Typically, the last spring freeze lands around 04/13, roughly 228 days out. Fall's first freeze usually shows up around 10/23, roughly 191 days after the last spring frost.
Oak Grove sits in USDA Zone 6a (-10 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
Oak Grove'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 Oak Grove's last frost
04/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.
Oak Grove against the rest of the dataset
At roughly 191 frost-free days, Oak Grove places 20,740 of 40,283 ZIP codes in this dataset. Within MO, it ranks 718 of 1,129.
Learn more
Two guides worth reading on 64075: zone vs. frost date, on why Zone 6a and Oak Grove's frost date answer different questions, and the frost range, on how to read the range around Oak Grove's dates instead of trusting one.