Soso, MS 39480 Frost Dates
Frost dates for Soso, MS, ZIP 39480
The last spring frost here typically falls around 03/12, about 196 days from today. The first fall frost typically arrives around 11/12, about 244 frost-free days later.
Soso 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 Soso 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.
Why 03/12 isn't a guarantee
03/12 is the middle of 30 years of NOAA records, not a promise. Plant by 02/22 and you're betting against frost in roughly 9 years out of 10. 04/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Soso compares
At roughly 244 frost-free days, Soso places 8,268 of 40,283 ZIP codes in this dataset. Within MS, it ranks 215 of 523.
Learn more
local microclimates explains what one yard in Soso can differ from the 39480 normal, and zone vs. frost date explains why Zone 8b and Soso's frost date answer different questions.