Summersville, MO 65571 Frost Dates
When can you plant in Summersville, MO?
Around 04/07 is the usual last spring frost, about 222 days away. The first fall frost typically arrives around 10/27, about 201 frost-free days later.
Summersville sits in USDA Zone 7a (0 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.
What to do before the first frost
About 9 weeks of growing season left in Summersville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/07 isn't a guarantee
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/22 and you're betting against frost in roughly 9 years out of 10. 04/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Summersville compares
About 201 days separate Summersville's last and first frost, putting it 17,634 of 40,283 ZIP codes nationally. Within MO, it ranks 376 of 1,129.
Learn more
zone vs. frost date covers why Zone 7a and Summersville's frost date answer different questions. the frost range covers how to read the range around Summersville's dates instead of trusting one.