Logan, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.1 °C (low) to 20.1 °C (high). Annual precipitation averages 1252.7 Millimeters. Logan 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.9 °C | 7.1 °C | 86.11 mm |
| February | -2.5 °C | 9.5 °C | 87.88 mm |
| March | 0.8 °C | 14.5 °C | 114.81 mm |
| April | 5.9 °C | 21.4 °C | 107.19 mm |
| May | 11.6 °C | 25.5 °C | 131.32 mm |
| June | 16.3 °C | 29.3 °C | 126.24 mm |
| July | 18.5 °C | 30.9 °C | 155.96 mm |
| August | 18 °C | 30.3 °C | 98.81 mm |
| September | 14.1 °C | 27.4 °C | 85.34 mm |
| October | 7.2 °C | 21.1 °C | 78.99 mm |
| November | 1.2 °C | 14.6 °C | 74.17 mm |
| December | -1.7 °C | 9 °C | 105.92 mm |
| Annual | 7.1 °C | 20.1 °C | 1252.74 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |