Mount Pleasant, SC 29413 Frost Dates
Mount Pleasant, SC: when does the frost end?
Around 03/13 is the usual last spring frost, about 197 days away. Fall's first freeze usually shows up around 11/30, roughly 262 days after the last spring frost.
Mount Pleasant sits in USDA Zone 9a (20 to 25°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
With roughly 13 weeks until Mount Pleasant's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
03/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/30 and only about 1 year in 10 sees frost after that.
Mount Pleasant against the rest of the dataset
At roughly 262 frost-free days, Mount Pleasant places 6,180 of 40,283 ZIP codes in this dataset. Within SC, it ranks 54 of 519.
Learn more
Before leaning on 29413's figures: zone vs. frost date explains why Zone 9a and Mount Pleasant's frost date answer different questions, while the frost range explains how to read the range around Mount Pleasant's dates instead of trusting one.