Fort Myers Beach, Florida has a Tropical Savanna (Wet and Dry Climate) climate (Köppen classification: Aw). Average annual temperatures range from 19.9 °C (low) to 27.7 °C (high). Annual precipitation averages 1417.6 Millimeters. Fort Myers Beach is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.3 °C | 22.4 °C | 56.64 mm |
| February | 14.5 °C | 23.5 °C | 46.99 mm |
| March | 16.5 °C | 25.1 °C | 53.09 mm |
| April | 19.4 °C | 27.2 °C | 65.02 mm |
| May | 22.1 °C | 29.3 °C | 85.85 mm |
| June | 24.2 °C | 30.8 °C | 245.62 mm |
| July | 24.9 °C | 31.6 °C | 223.77 mm |
| August | 24.8 °C | 31.9 °C | 231.65 mm |
| September | 24.4 °C | 31.3 °C | 222.76 mm |
| October | 22.1 °C | 29.2 °C | 88.9 mm |
| November | 17.7 °C | 26 °C | 47.24 mm |
| December | 15.2 °C | 23.7 °C | 50.04 mm |
| Annual | 19.9 °C | 27.7 °C | 1417.57 mm |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10b : 1.7°C to 4.4°C |
| Plant Hardiness Zone - 2012 | Zone 10a : -1.1°C to 1.7°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Aw - Tropical Savanna (Wet and Dry Climate) |