| 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: | Frost Rare | |
| Average Last Frost Date: | Frost Rare | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 75d - Eastern Florida Flatwoods | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 32259 - Saint Johns, FL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 44 | 46 | 51 | 56 | 63 | 70 | 72 | 72 | 70 | 61 | 53 | 46 | 59 |
| Avg Max Temp (°F) | 66 | 68 | 74 | 79 | 85 | 89 | 91 | 90 | 87 | 81 | 74 | 67 | 79 |
| Avg Precip (In.) | 3.5 | 3.12 | 3.97 | 2.79 | 3.3 | 6.04 | 5.77 | 6.64 | 6.84 | 3.75 | 2.48 | 2.79 | 50.99 |