Riverview, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 63.3 °F (low) to 82.8 °F (high). Annual precipitation averages 56.7 Inches. Riverview is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 49.8 °F | 71.2 °F | 3.04 in. |
| February | 52.2 °F | 73.7 °F | 2.49 in. |
| March | 56.2 °F | 77.5 °F | 2.85 in. |
| April | 61.8 °F | 83.0 °F | 2.78 in. |
| May | 67.5 °F | 88.0 °F | 3.5 in. |
| June | 72.8 °F | 90.5 °F | 9.13 in. |
| July | 74.3 °F | 91.0 °F | 8.67 in. |
| August | 74.6 °F | 91.2 °F | 9.37 in. |
| September | 73.0 °F | 90.1 °F | 7.45 in. |
| October | 66.5 °F | 85.3 °F | 2.96 in. |
| November | 57.8 °F | 78.5 °F | 1.89 in. |
| December | 52.7 °F | 73.8 °F | 2.58 in. |
| Annual | 63.3 °F | 82.8 °F | 56.71 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |