| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Dec. 21 - Dec. 31 | |
| Average Last Frost Date: | Feb. 21 - Feb. 29 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 75j - Sea Islands/Coastal Marsh | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 31401 - Savannah, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 40 | 47 | 53 | 61 | 68 | 72 | 71 | 67 | 56 | 47 | 40 | 55 |
| Avg Max Temp (°F) | 61 | 64 | 71 | 77 | 84 | 89 | 91 | 90 | 86 | 78 | 70 | 63 | 77 |
| Avg Precip (In.) | 4.03 | 3.03 | 3.74 | 3.2 | 3.47 | 5.5 | 5.86 | 7.2 | 5.09 | 3.08 | 2.49 | 2.91 | 49.59 |