Mobile, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.1 °C (low) to 24.5 °C (high). Annual precipitation averages 1749.1 Millimeters. Mobile 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 Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.2 °C | 15.3 °C | 145.8 mm |
| February | 7.2 °C | 17.1 °C | 118.36 mm |
| March | 10.7 °C | 20.6 °C | 135.13 mm |
| April | 14.5 °C | 23.9 °C | 144.53 mm |
| May | 19.1 °C | 27.9 °C | 139.7 mm |
| June | 22.9 °C | 30.8 °C | 177.04 mm |
| July | 24.1 °C | 32.1 °C | 198.12 mm |
| August | 23.8 °C | 32.1 °C | 185.67 mm |
| September | 21.6 °C | 30.3 °C | 148.34 mm |
| October | 15.9 °C | 26.1 °C | 107.19 mm |
| November | 9.7 °C | 20.7 °C | 109.22 mm |
| December | 6.7 °C | 16.7 °C | 139.95 mm |
| Annual | 15.1 °C | 24.5 °C | 1749.05 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| 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 |