Algoma, MS 38820 Frost Dates
Frost dates for Algoma, MS, ZIP 38820
The last spring frost here typically falls around 03/28, about 212 days from today. The first fall frost typically arrives around 11/08, about 227 frost-free days later.
The USDA Plant Hardiness Zone Map puts Algoma in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 8a around Algoma has about 10 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
03/28 is the middle of 30 years of NOAA records, not a promise. Plant by 03/07 and you're betting against frost in roughly 9 years out of 10. 04/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Algoma compares
About 227 days separate Algoma's last and first frost, putting it 11,048 of 40,283 ZIP codes nationally. Within MS, it ranks 402 of 523.
Learn more
zone vs. frost date explains why Zone 8a and Algoma's frost date answer different questions, and the frost range explains how to read the range around Algoma's dates instead of trusting one.