| 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 32086 - Saint Augustine, FL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 46 | 47 | 53 | 58 | 65 | 71 | 73 | 73 | 71 | 64 | 56 | 48 | 60 |
| Avg Max Temp (°F) | 66 | 68 | 73 | 78 | 84 | 88 | 90 | 88 | 86 | 80 | 74 | 68 | 79 |
| Avg Precip (In.) | 3.23 | 2.99 | 3.87 | 2.6 | 3.2 | 5.46 | 4.77 | 6.04 | 6.43 | 4.26 | 2.39 | 2.82 | 48.04 |