Marion, MS 39320 Frost Dates
Marion, MS: when does the frost end?
The last spring frost here typically falls around 03/14, about 198 days from today. Fall's first freeze usually shows up around 11/12, roughly 245 days after the last spring frost.
Zone 8b (15 to 20°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 Marion, not a forecast for this year.
Stretching the season past the first frost
With roughly 11 weeks until Marion's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Marion's last frost
03/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/01 and only about 1 year in 10 sees frost after that.
Marion against the rest of the dataset
About 245 days separate Marion's last and first frost, putting it 8,033 of 40,283 ZIP codes nationally. Within MS, it ranks 187 of 523.
Learn more
Before leaning on 39320's figures: the frost range explains how to read the range around Marion's dates instead of trusting one, while local microclimates explains what one yard in Marion can differ from the 39320 normal.