Riverview, 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 1440.4 Millimeters. Riverview is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.9 °C | 21.8 °C | 77.22 mm |
| February | 11.2 °C | 23.2 °C | 63.25 mm |
| March | 13.4 °C | 25.3 °C | 72.39 mm |
| April | 16.6 °C | 28.3 °C | 70.61 mm |
| May | 19.7 °C | 31.1 °C | 88.9 mm |
| June | 22.7 °C | 32.5 °C | 231.9 mm |
| July | 23.5 °C | 32.8 °C | 220.22 mm |
| August | 23.7 °C | 32.9 °C | 238 mm |
| September | 22.8 °C | 32.3 °C | 189.23 mm |
| October | 19.2 °C | 29.6 °C | 75.18 mm |
| November | 14.3 °C | 25.8 °C | 48.01 mm |
| December | 11.5 °C | 23.2 °C | 65.53 mm |
| Annual | 17.4 °C | 28.2 °C | 1440.44 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |