Independence, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 6.1 °C (low) to 17.6 °C (high). Annual precipitation averages 1066 Millimeters. Independence 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 | 1.9 °C | 8.5 °C | 159.77 mm |
| February | 1.9 °C | 10.7 °C | 120.65 mm |
| March | 3.2 °C | 13.3 °C | 116.33 mm |
| April | 4.7 °C | 16 °C | 86.36 mm |
| May | 7.4 °C | 19.9 °C | 59.94 mm |
| June | 9.7 °C | 23.1 °C | 36.32 mm |
| July | 11.7 °C | 27.9 °C | 6.35 mm |
| August | 11.6 °C | 28.3 °C | 9.91 mm |
| September | 9.6 °C | 25 °C | 34.8 mm |
| October | 6.3 °C | 18.1 °C | 89.41 mm |
| November | 3.7 °C | 11.7 °C | 153.67 mm |
| December | 1.6 °C | 8.1 °C | 192.53 mm |
| Annual | 6.1 °C | 17.6 °C | 1066.04 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 40-50 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 | Moderate Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |