Kings Valley, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 5.7 °C (low) to 17.2 °C (high). Annual precipitation averages 1377.2 Millimeters. Kings Valley is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.4 °C | 8.2 °C | 209.55 mm |
| February | 1.6 °C | 10.3 °C | 161.04 mm |
| March | 2.7 °C | 13 °C | 148.34 mm |
| April | 4.2 °C | 15.7 °C | 109.47 mm |
| May | 6.9 °C | 19.7 °C | 62.99 mm |
| June | 9.3 °C | 22.7 °C | 35.56 mm |
| July | 11.1 °C | 27.5 °C | 7.87 mm |
| August | 11 °C | 27.9 °C | 12.7 mm |
| September | 9.3 °C | 24.8 °C | 44.7 mm |
| October | 6 °C | 17.8 °C | 108.46 mm |
| November | 3.3 °C | 11.4 °C | 204.22 mm |
| December | 1.3 °C | 7.7 °C | 272.29 mm |
| Annual | 5.7 °C | 17.2 °C | 1377.19 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 50-75 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 |