Oakland, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.3 °C (low) to 22 °C (high). Annual precipitation averages 1420.1 Millimeters. Oakland is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.9 °C | 9.6 °C | 107.95 mm |
| February | 0.8 °C | 12.2 °C | 120.14 mm |
| March | 4.9 °C | 17.2 °C | 142.49 mm |
| April | 9.8 °C | 22.5 °C | 149.1 mm |
| May | 15.3 °C | 26.7 °C | 137.41 mm |
| June | 19.7 °C | 30.8 °C | 113.79 mm |
| July | 21.6 °C | 32.4 °C | 111.76 mm |
| August | 20.6 °C | 32.3 °C | 83.06 mm |
| September | 16.6 °C | 29.3 °C | 96.52 mm |
| October | 10 °C | 23.5 °C | 104.39 mm |
| November | 4.2 °C | 16.7 °C | 111.76 mm |
| December | 0.7 °C | 11.2 °C | 141.73 mm |
| Annual | 10.3 °C | 22 °C | 1420.1 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |