Independence, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 43 °F (low) to 63.6 °F (high). Annual precipitation averages 42 Inches. 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 | 35.4 °F | 47.3 °F | 6.29 in. |
| February | 35.5 °F | 51.2 °F | 4.75 in. |
| March | 37.7 °F | 56.0 °F | 4.58 in. |
| April | 40.5 °F | 60.8 °F | 3.4 in. |
| May | 45.4 °F | 67.9 °F | 2.36 in. |
| June | 49.5 °F | 73.5 °F | 1.43 in. |
| July | 53.0 °F | 82.3 °F | 0.25 in. |
| August | 52.8 °F | 82.9 °F | 0.39 in. |
| September | 49.2 °F | 77.0 °F | 1.37 in. |
| October | 43.4 °F | 64.5 °F | 3.52 in. |
| November | 38.7 °F | 53.0 °F | 6.05 in. |
| December | 34.9 °F | 46.5 °F | 7.58 in. |
| Annual | 43 °F | 63.6 °F | 41.97 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |