Matlacha, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 19.3 °C (low) to 27.9 °C (high). Annual precipitation averages 1426.5 Millimeters. Matlacha is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.6 °C | 22.3 °C | 58.42 mm |
| February | 13.9 °C | 23.6 °C | 49.02 mm |
| March | 15.8 °C | 25.1 °C | 58.42 mm |
| April | 18.7 °C | 27.5 °C | 57.15 mm |
| May | 21.3 °C | 29.8 °C | 89.66 mm |
| June | 23.8 °C | 31.3 °C | 249.17 mm |
| July | 24.4 °C | 32 °C | 228.85 mm |
| August | 24.6 °C | 32.2 °C | 237.74 mm |
| September | 23.9 °C | 31.6 °C | 215.9 mm |
| October | 21.4 °C | 29.4 °C | 84.07 mm |
| November | 17.1 °C | 26.1 °C | 47.5 mm |
| December | 14.4 °C | 23.7 °C | 50.55 mm |
| Annual | 19.3 °C | 27.9 °C | 1426.45 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |