| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F |
| 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: | 75f - Sea Island Flatwoods |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 32217 - Jacksonville, FL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 43 | 45 | 51 | 56 | 63 | 70 | 72 | 72 | 70 | 61 | 53 | 46 | 59 |
| Avg Max Temp (°F) | 65 | 67 | 73 | 78 | 84 | 89 | 91 | 90 | 87 | 80 | 73 | 67 | 79 |
| Avg Precip (In.) | 3.63 | 3.14 | 3.98 | 2.9 | 3.24 | 5.82 | 5.58 | 6.62 | 7.18 | 3.95 | 2.43 | 2.75 | 51.22 |