| 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: | Dec. 1 - Dec. 10 | |
| Average Last Frost Date: | Mar. 1 - Mar. 10 | |
| 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 29906 - Beaufort, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 40 | 46 | 53 | 62 | 69 | 72 | 72 | 67 | 57 | 48 | 40 | 55 |
| Avg Max Temp (°F) | 59 | 62 | 69 | 76 | 83 | 88 | 91 | 89 | 85 | 77 | 69 | 61 | 76 |
| Avg Precip (In.) | 4.18 | 3.17 | 3.86 | 3.03 | 3.31 | 5.71 | 5.67 | 7.25 | 5.26 | 3.06 | 2.64 | 3.24 | 50.37 |