Columbus, MS 39705 Frost Dates
Frost dates for Columbus, MS, ZIP 39705
Around 03/13 is the usual last spring frost, about 197 days away. The first fall frost typically arrives around 11/12, about 244 frost-free days later.
Columbus 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.
What to do before the first frost
Zone 8b around Columbus has about 11 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.
How much risk comes with planting early here
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. 04/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Columbus compares
Columbus's growing season runs about 244 days, ranking 8,211 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 203 of 523.
Learn more
zone vs. frost date explains why Zone 8b and Columbus's frost date answer different questions, and the frost range explains how to read the range around Columbus's dates instead of trusting one.