Titusville, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 17.8 °C (low) to 27.3 °C (high). Annual precipitation averages 1418.8 Millimeters. Titusville is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.3 °C | 21.3 °C | 71.63 mm |
| February | 11.6 °C | 22.5 °C | 65.02 mm |
| March | 13.7 °C | 24.4 °C | 84.84 mm |
| April | 16.7 °C | 26.7 °C | 71.37 mm |
| May | 19.9 °C | 29.3 °C | 90.68 mm |
| June | 22.6 °C | 31.3 °C | 203.45 mm |
| July | 23.3 °C | 32.3 °C | 180.09 mm |
| August | 23.7 °C | 32.3 °C | 196.34 mm |
| September | 22.9 °C | 31 °C | 201.93 mm |
| October | 20.1 °C | 28.6 °C | 130.3 mm |
| November | 15.8 °C | 25.1 °C | 63.5 mm |
| December | 12.4 °C | 22.4 °C | 59.69 mm |
| Annual | 17.8 °C | 27.3 °C | 1418.84 mm |
| Average First Frost Date | Frost Rare |
| 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 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |