Myrtle Beach, SC 29577 Frost Dates
29577, near Myrtle Beach, SC: the frost window
The last spring frost here typically falls around 03/13, about 197 days from today. Fall's first freeze usually shows up around 11/20, roughly 255 days after the last spring frost.
Myrtle Beach sits in USDA Zone 8b (15 to 20°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
Myrtle Beach's growing season runs out in roughly 12 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 Myrtle Beach's last frost
03/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/31 and only about 1 year in 10 sees frost after that.
Myrtle Beach against the rest of the dataset
At roughly 255 frost-free days, Myrtle Beach places 6,888 of 40,283 ZIP codes in this dataset. Within SC, it ranks 66 of 519.
Learn more
Two guides worth reading on 29577: the frost range, on how to read the range around Myrtle Beach's dates instead of trusting one, and local microclimates, on what one yard in Myrtle Beach can differ from the 29577 normal.