Mobile, AL 36675 Frost Dates
When can you plant in Mobile, AL?
The last spring frost here typically falls around 03/03, about 187 days from today. The first fall frost typically arrives around 11/25, about 268 frost-free days later.
Mobile sits in USDA Zone 9a (20 to 25°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.
What to do before the first frost
About 13 weeks of growing season left in Mobile before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/03 is the middle of 30 years of NOAA records, not a promise. Plant by 02/06 and you're betting against frost in roughly 9 years out of 10. 03/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Mobile compares
Mobile's growing season runs about 268 days, ranking 5,722 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 69 of 809.
Learn more
zone vs. frost date covers why Zone 9a and Mobile's frost date answer different questions. the frost range covers how to read the range around Mobile's dates instead of trusting one.