Mobile, AL 36607 Frost Dates
36607, near Mobile, AL: the frost window
Around 02/21 is the usual last spring frost, about 177 days away. Fall's first freeze usually shows up around 12/06, roughly 292 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Mobile in Zone 9a (20 to 25°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
Mobile's growing season runs out in roughly 14 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 Mobile's last frost
02/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/15 and only about 1 year in 10 sees frost after that.
Mobile against the rest of the dataset
About 292 days separate Mobile's last and first frost, putting it 4,311 of 40,283 ZIP codes nationally. Within AL, it ranks 10 of 809.
Learn more
Two guides worth reading on 36607: the frost range, on how to read the range around Mobile's dates instead of trusting one, and local microclimates, on what one yard in Mobile can differ from the 36607 normal.