Chesapeake, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.7 °C (low) to 19.3 °C (high). Annual precipitation averages 1189.7 Millimeters. Chesapeake is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.4 °C | 6.3 °C | 83.31 mm |
| February | -3.3 °C | 8.4 °C | 78.99 mm |
| March | 0.1 °C | 13.6 °C | 107.44 mm |
| April | 5.4 °C | 20.5 °C | 97.03 mm |
| May | 11.1 °C | 24.6 °C | 125.22 mm |
| June | 15.8 °C | 28.5 °C | 113.79 mm |
| July | 18.2 °C | 30.2 °C | 143.76 mm |
| August | 17.6 °C | 29.7 °C | 101.35 mm |
| September | 13.8 °C | 26.8 °C | 88.9 mm |
| October | 7.1 °C | 20.7 °C | 77.98 mm |
| November | 0.9 °C | 14.1 °C | 75.95 mm |
| December | -2.1 °C | 8.4 °C | 96.01 mm |
| Annual | 6.7 °C | 19.3 °C | 1189.73 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |