| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Frost Rare | |
| Average Last Frost Date: | Frost Rare | |
| 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 31558 - Saint Marys, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 44 | 46 | 51 | 57 | 65 | 71 | 74 | 74 | 72 | 63 | 54 | 46 | 60 |
| Avg Max Temp (°F) | 63 | 66 | 71 | 77 | 83 | 88 | 90 | 89 | 86 | 79 | 72 | 65 | 77 |
| Avg Precip (In.) | 3.84 | 3.28 | 4.03 | 2.91 | 2.95 | 5.41 | 5.71 | 5.85 | 7.35 | 4 | 2.61 | 2.76 | 50.71 |