Riner, Virginia has a Temperate Oceanic Climate climate (Köppen classification: Cfb). Average annual temperatures range from 42.9 °F (low) to 64.2 °F (high). Annual precipitation averages 41.1 Inches. Riner 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.1 °F | 42.8 °F | 3.09 in. |
| February | 26.3 °F | 46.3 °F | 2.61 in. |
| March | 32.4 °F | 54.5 °F | 3.45 in. |
| April | 41.4 °F | 64.9 °F | 3.66 in. |
| May | 50.6 °F | 72.8 °F | 4.26 in. |
| June | 58.5 °F | 79.7 °F | 4.07 in. |
| July | 62.4 °F | 82.8 °F | 3.92 in. |
| August | 61.2 °F | 81.9 °F | 3.44 in. |
| September | 54.6 °F | 76.3 °F | 3.77 in. |
| October | 43.1 °F | 66.3 °F | 2.94 in. |
| November | 32.9 °F | 55.7 °F | 2.8 in. |
| December | 27.5 °F | 46.2 °F | 3.13 in. |
| Annual | 42.9 °F | 64.2 °F | 41.14 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |