Butler, AL 36904 Frost Dates
36904, near Butler, AL: the frost window
Typically, the last spring freeze lands around 03/14, roughly 198 days out. Fall's first freeze usually shows up around 11/16, roughly 247 days after the last spring frost.
Butler sits in USDA Zone 8b (15 to 20°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.
Stretching the season past the first frost
Butler'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 Butler's last frost
03/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/01 and only about 1 year in 10 sees frost after that.
Butler against the rest of the dataset
Butler's growing season runs about 247 days, ranking 7,849 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 226 of 809.
Learn more
Two guides worth reading on 36904: zone vs. frost date, on why Zone 8b and Butler's frost date answer different questions, and the frost range, on how to read the range around Butler's dates instead of trusting one.