Riverview, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.2 °C (low) to 18.7 °C (high). Annual precipitation averages 1268.2 Millimeters. Riverview is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.6 °C | 6.2 °C | 100.84 mm |
| February | -3.1 °C | 8.4 °C | 108.2 mm |
| March | 0.5 °C | 13.3 °C | 117.86 mm |
| April | 5.4 °C | 19.6 °C | 109.22 mm |
| May | 10.3 °C | 23.8 °C | 115.57 mm |
| June | 14.9 °C | 27.4 °C | 121.92 mm |
| July | 17.1 °C | 28.8 °C | 137.92 mm |
| August | 16.3 °C | 28.4 °C | 105.92 mm |
| September | 12.8 °C | 25.9 °C | 86.61 mm |
| October | 6.2 °C | 20.2 °C | 73.66 mm |
| November | 0.5 °C | 13.4 °C | 81.03 mm |
| December | -2.3 °C | 8.4 °C | 109.47 mm |
| Annual | 6.2 °C | 18.7 °C | 1268.22 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |