Bay Minette, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.3 °C (low) to 25 °C (high). Annual precipitation averages 1721.1 Millimeters. Bay Minette is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.9 °C | 15.9 °C | 153.16 mm |
| February | 5.7 °C | 18.2 °C | 126.75 mm |
| March | 8.9 °C | 21.8 °C | 136.65 mm |
| April | 12.4 °C | 25 °C | 129.79 mm |
| May | 17.1 °C | 28.7 °C | 137.92 mm |
| June | 21.1 °C | 31.3 °C | 182.37 mm |
| July | 22.3 °C | 32.3 °C | 189.99 mm |
| August | 22.1 °C | 32.2 °C | 174.75 mm |
| September | 19.6 °C | 30.5 °C | 144.02 mm |
| October | 13.6 °C | 26.1 °C | 91.95 mm |
| November | 7.8 °C | 21.1 °C | 112.52 mm |
| December | 5.5 °C | 17.2 °C | 141.22 mm |
| Annual | 13.3 °C | 25 °C | 1721.09 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |