Hamilton, AL 35570 Frost Dates
Hamilton, AL: when does the frost end?
The last spring frost here typically falls around 04/11, about 226 days from today. Fall's first freeze usually shows up around 10/27, roughly 198 days after the last spring frost.
Zone 7b (5 to 10°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 Hamilton, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Hamilton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Hamilton's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Hamilton against the rest of the dataset
About 198 days separate Hamilton's last and first frost, putting it 18,421 of 40,283 ZIP codes nationally. Within AL, it ranks 807 of 809.
Learn more
Before leaning on 35570's figures: local microclimates explains what one yard in Hamilton can differ from the 35570 normal, while zone vs. frost date explains why Zone 7b and Hamilton's frost date answer different questions.