Osyka, MS 39657 Frost Dates
Osyka, MS: when does the frost end?
Around 03/11 is the usual last spring frost, about 195 days away. Fall's first freeze usually shows up around 11/18, roughly 253 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Osyka in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 12 weeks until Osyka's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Osyka's last frost
03/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/02 and only about 1 year in 10 sees frost after that.
Osyka against the rest of the dataset
About 253 days separate Osyka's last and first frost, putting it 7,186 of 40,283 ZIP codes nationally. Within MS, it ranks 117 of 523.
Learn more
Before leaning on 39657's figures: zone vs. frost date explains why Zone 8b and Osyka's frost date answer different questions, while the frost range explains how to read the range around Osyka's dates instead of trusting one.