Winona, MS 38967 Frost Dates
38967, near Winona, MS: the frost window
Typically, the last spring freeze lands around 04/07, roughly 222 days out. Fall's first freeze usually shows up around 10/29, roughly 203 days after the last spring frost.
Winona sits in USDA Zone 8a (10 to 15°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
Winona's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.
Winona against the rest of the dataset
Winona's growing season runs about 203 days, ranking 16,917 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 507 of 523.
Learn more
Two guides worth reading on 38967: the frost range, on how to read the range around Winona's dates instead of trusting one, and local microclimates, on what one yard in Winona can differ from the 38967 normal.