Oakridge, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 5.4 °C (low) to 16.7 °C (high). Annual precipitation averages 1187 Millimeters. Oakridge is located in USDA Plant Hardiness Zone 8b. 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 | 0.4 °C | 6.9 °C | 163.58 mm |
| February | 1 °C | 9.8 °C | 119.89 mm |
| March | 2 °C | 12.4 °C | 130.05 mm |
| April | 3.7 °C | 15.3 °C | 112.01 mm |
| May | 6.7 °C | 19.4 °C | 85.09 mm |
| June | 9.2 °C | 21.9 °C | 50.8 mm |
| July | 11.8 °C | 27.2 °C | 12.45 mm |
| August | 11.6 °C | 27.6 °C | 14.48 mm |
| September | 9.2 °C | 24.4 °C | 40.39 mm |
| October | 5.9 °C | 18 °C | 94.49 mm |
| November | 2.9 °C | 10.4 °C | 169.42 mm |
| December | 0.7 °C | 6.6 °C | 194.31 mm |
| Annual | 5.4 °C | 16.7 °C | 1186.96 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 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |