| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F |
| Average First Frost Date: | Jan. 21 - Jan. 31 |
| Average Last Frost Date: | Jan. 21 - Jan. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 75k - Gulf Barrier Islands and Coastal Marshes |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 39507 - Gulfport, MS | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 42 | 45 | 52 | 58 | 66 | 72 | 74 | 74 | 70 | 59 | 51 | 45 | 59 |
| Avg Max Temp (°F) | 60 | 63 | 69 | 76 | 83 | 88 | 90 | 90 | 87 | 79 | 69 | 62 | 76 |
| Avg Precip (In.) | 6.32 | 5.49 | 6.19 | 4.99 | 5.52 | 5.13 | 7.17 | 5.83 | 5.94 | 3.21 | 4.89 | 4.89 | 65.57 |