Keokee, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.7 °C (low) to 18.2 °C (high). Annual precipitation averages 1447.8 Millimeters. Keokee 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 | -4.2 °C | 6.1 °C | 123.44 mm |
| February | -2.6 °C | 8.2 °C | 119.89 mm |
| March | 1 °C | 13.1 °C | 134.37 mm |
| April | 6.2 °C | 18.7 °C | 124.97 mm |
| May | 10.9 °C | 22.9 °C | 120.9 mm |
| June | 15.1 °C | 26.9 °C | 131.06 mm |
| July | 17.2 °C | 28.3 °C | 160.27 mm |
| August | 16.6 °C | 27.6 °C | 112.01 mm |
| September | 13.2 °C | 25.4 °C | 96.77 mm |
| October | 6.9 °C | 19.7 °C | 84.58 mm |
| November | 1.3 °C | 13.3 °C | 98.55 mm |
| December | -1.8 °C | 8.2 °C | 140.97 mm |
| Annual | 6.7 °C | 18.2 °C | 1447.78 mm |
| 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 : -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 |