Jonestown, MS 38609 Frost Dates
Jonestown, MS: when does the frost end?
The last spring frost here typically falls around 03/17, about 201 days from today. Fall's first freeze usually shows up around 11/07, roughly 233 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Jonestown in Zone 8a (10 to 15°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 10 weeks until Jonestown's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Jonestown's last frost
03/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/05 and only about 1 year in 10 sees frost after that.
Jonestown against the rest of the dataset
At roughly 233 frost-free days, Jonestown places 9,942 of 40,283 ZIP codes in this dataset. Within MS, it ranks 351 of 523.
Learn more
Before leaning on 38609's figures: zone vs. frost date explains why Zone 8a and Jonestown's frost date answer different questions, while the frost range explains how to read the range around Jonestown's dates instead of trusting one.