Oakland, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.9 °C (low) to 20.2 °C (high). Annual precipitation averages 1350.5 Millimeters. Oakland is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.3 °C | 6.9 °C | 98.04 mm |
| February | -1.9 °C | 9.4 °C | 112.78 mm |
| March | 2.1 °C | 14.7 °C | 125.22 mm |
| April | 7.2 °C | 20.6 °C | 125.22 mm |
| May | 12.9 °C | 25.2 °C | 136.4 mm |
| June | 17.3 °C | 29.8 °C | 123.44 mm |
| July | 19.4 °C | 31.5 °C | 121.16 mm |
| August | 18.5 °C | 31 °C | 94.23 mm |
| September | 14.4 °C | 27.8 °C | 100.58 mm |
| October | 7.6 °C | 21.9 °C | 94.49 mm |
| November | 1.8 °C | 14.6 °C | 96.01 mm |
| December | -1.2 °C | 9.1 °C | 122.94 mm |
| Annual | 7.9 °C | 20.2 °C | 1350.51 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |