Monticello, MS 39641 Frost Dates
39641, near Monticello, MS: the frost window
The last spring frost here typically falls around 03/12, about 196 days from today. Fall's first freeze usually shows up around 11/10, roughly 242 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 Monticello, not a forecast for this year.
Stretching the season past the first frost
Monticello's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Monticello's last frost
03/12 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 04/03 and only about 1 year in 10 sees frost after that.
Monticello against the rest of the dataset
About 242 days separate Monticello's last and first frost, putting it 8,378 of 40,283 ZIP codes nationally. Within MS, it ranks 236 of 523.
Learn more
Two guides worth reading on 39641: local microclimates, on what one yard in Monticello can differ from the 39641 normal, and zone vs. frost date, on why Zone 8b and Monticello's frost date answer different questions.