Mount Pleasant, SC 29465 Frost Dates
Frost dates for Mount Pleasant, SC, ZIP 29465
The last spring frost here typically falls around 03/13, about 197 days from today. The first fall frost typically arrives around 11/30, about 262 frost-free days later.
Zone 9a (20 to 25°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Mount Pleasant, not a forecast for this year.
What to do before the first frost
Zone 9a around Mount Pleasant has about 13 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Mount Pleasant's last frost
03/13 is the middle of 30 years of NOAA records, not a promise. Plant by 02/19 and you're betting against frost in roughly 9 years out of 10. 03/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Mount Pleasant compares
At roughly 262 frost-free days, Mount Pleasant places 6,188 of 40,283 ZIP codes in this dataset. Within SC, it ranks 62 of 519.
Learn more
the frost range explains how to read the range around Mount Pleasant's dates instead of trusting one, and local microclimates explains what one yard in Mount Pleasant can differ from the 29465 normal.