Ruch, Oregon has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 39.7 °F (low) to 68 °F (high). Annual precipitation averages 25.7 Inches. Ruch is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.8 °F | 48.7 °F | 3.94 in. |
| February | 31.6 °F | 54.1 °F | 2.95 in. |
| March | 33.8 °F | 59.0 °F | 2.72 in. |
| April | 37.1 °F | 64.5 °F | 2.16 in. |
| May | 42.6 °F | 73.3 °F | 1.37 in. |
| June | 47.4 °F | 80.7 °F | 0.7 in. |
| July | 52.5 °F | 90.2 °F | 0.42 in. |
| August | 51.3 °F | 90.2 °F | 0.37 in. |
| September | 45.6 °F | 83.3 °F | 0.54 in. |
| October | 38.3 °F | 70.1 °F | 1.61 in. |
| November | 34.3 °F | 54.9 °F | 3.49 in. |
| December | 30.8 °F | 46.9 °F | 5.42 in. |
| Annual | 39.7 °F | 68 °F | 25.69 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |