| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F 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 |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 31523 - Brunswick, GA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 42 | 44 | 51 | 57 | 65 | 71 | 74 | 74 | 71 | 61 | 52 | 45 | 59 |
| Avg Max Temp (°F) | 63 | 66 | 72 | 78 | 84 | 89 | 92 | 90 | 86 | 79 | 72 | 65 | 78 |
| Avg Precip (In.) | 4.12 | 3.57 | 4.01 | 2.85 | 2.83 | 5.5 | 5.19 | 6.59 | 6.17 | 3.5 | 2.53 | 2.88 | 49.73 |