| 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. 11 - Jan. 20 | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 75d - Eastern Florida Flatwoods | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 32092 - Saint Augustine, FL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 45 | 47 | 52 | 57 | 64 | 70 | 72 | 72 | 70 | 63 | 55 | 47 | 59 |
| Avg Max Temp (°F) | 66 | 68 | 74 | 79 | 85 | 89 | 91 | 90 | 87 | 81 | 74 | 67 | 79 |
| Avg Precip (In.) | 3.34 | 3.04 | 3.91 | 2.63 | 3.33 | 6.01 | 5.51 | 6.47 | 6.73 | 3.78 | 2.49 | 2.79 | 50.02 |