Campbell, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 17.4 °C (low) to 28.2 °C (high). Annual precipitation averages 1319.8 Millimeters. Campbell is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.9 °C | 21.9 °C | 65.28 mm |
| February | 11.4 °C | 23.4 °C | 54.36 mm |
| March | 13.6 °C | 25.8 °C | 74.68 mm |
| April | 16.4 °C | 28.4 °C | 67.82 mm |
| May | 19.5 °C | 30.9 °C | 98.04 mm |
| June | 22.4 °C | 32.3 °C | 217.68 mm |
| July | 23.4 °C | 32.9 °C | 186.94 mm |
| August | 23.6 °C | 32.9 °C | 199.14 mm |
| September | 22.8 °C | 31.9 °C | 169.16 mm |
| October | 19.4 °C | 29.3 °C | 79.25 mm |
| November | 14.8 °C | 25.7 °C | 43.69 mm |
| December | 11.7 °C | 23.1 °C | 63.75 mm |
| Annual | 17.4 °C | 28.2 °C | 1319.79 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |