Mound Bayou, MS 38781 Frost Dates
Mound Bayou, MS: when does the frost end?
Typically, the last spring freeze lands around 03/15, roughly 199 days out. Fall's first freeze usually shows up around 11/11, roughly 241 days after the last spring frost.
Mound Bayou 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.
Stretching the season past the first frost
With roughly 11 weeks until Mound Bayou's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
03/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/03 and only about 1 year in 10 sees frost after that.
Mound Bayou against the rest of the dataset
Mound Bayou's growing season runs about 241 days, ranking 8,586 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 250 of 523.
Learn more
Before leaning on 38781's figures: the frost range explains how to read the range around Mound Bayou's dates instead of trusting one, while local microclimates explains what one yard in Mound Bayou can differ from the 38781 normal.