Fort Myers Shores, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 17.7 °C (low) to 28.9 °C (high). Annual precipitation averages 1415.6 Millimeters. Fort Myers Shores is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.9 °C | 23.5 °C | 50.04 mm |
| February | 12.2 °C | 25.1 °C | 48.77 mm |
| March | 13.8 °C | 26.7 °C | 59.18 mm |
| April | 16.6 °C | 29 °C | 60.2 mm |
| May | 19.4 °C | 31.1 °C | 100.08 mm |
| June | 22.2 °C | 32.4 °C | 255.52 mm |
| July | 23.1 °C | 32.8 °C | 228.85 mm |
| August | 23.3 °C | 32.9 °C | 241.81 mm |
| September | 22.8 °C | 32.1 °C | 202.95 mm |
| October | 20 °C | 29.9 °C | 74.68 mm |
| November | 15.6 °C | 26.8 °C | 47.5 mm |
| December | 12.8 °C | 24.7 °C | 45.97 mm |
| Annual | 17.7 °C | 28.9 °C | 1415.55 mm |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10a : -1.1°C to 1.7°C |
| Plant Hardiness Zone - 2012 | Zone 10a : -1.1°C to 1.7°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |