| 2023 Hardiness Zone: | Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F | |
| 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: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 34986 - Port Saint Lucie, FL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 53 | 53 | 57 | 62 | 67 | 71 | 73 | 73 | 72 | 68 | 61 | 55 | 64 |
| Avg Max Temp (°F) | 74 | 75 | 79 | 82 | 86 | 89 | 90 | 90 | 89 | 85 | 80 | 76 | 83 |
| Avg Precip (In.) | 2.74 | 2.81 | 3.54 | 2.71 | 4.66 | 6.66 | 6.33 | 6.53 | 7.75 | 5.59 | 3.61 | 2.38 | 55.31 |