Turner, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 6.1 °C (low) to 17.4 °C (high). Annual precipitation averages 1185.7 Millimeters. Turner is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.8 °C | 8.5 °C | 166.37 mm |
| February | 1.8 °C | 10.6 °C | 129.54 mm |
| March | 3.1 °C | 13.2 °C | 135.64 mm |
| April | 4.7 °C | 15.8 °C | 102.11 mm |
| May | 7.5 °C | 19.7 °C | 70.87 mm |
| June | 9.8 °C | 22.8 °C | 43.43 mm |
| July | 11.8 °C | 27.7 °C | 11.18 mm |
| August | 11.7 °C | 27.9 °C | 12.19 mm |
| September | 9.6 °C | 24.7 °C | 44.45 mm |
| October | 6.3 °C | 17.8 °C | 100.58 mm |
| November | 3.7 °C | 11.5 °C | 170.43 mm |
| December | 1.6 °C | 8 °C | 198.88 mm |
| Annual | 6.1 °C | 17.4 °C | 1185.67 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 |