Tangent, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 6 °C (low) to 17.6 °C (high). Annual precipitation averages 1032.8 Millimeters. Tangent 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 | 1.8 °C | 8.6 °C | 150.88 mm |
| February | 1.8 °C | 10.8 °C | 113.79 mm |
| March | 2.9 °C | 13.4 °C | 119.38 mm |
| April | 4.6 °C | 16.2 °C | 86.61 mm |
| May | 7.3 °C | 20 °C | 58.17 mm |
| June | 9.6 °C | 23.1 °C | 37.08 mm |
| July | 11.7 °C | 27.9 °C | 8.13 mm |
| August | 11.5 °C | 28.3 °C | 11.43 mm |
| September | 9.3 °C | 25 °C | 35.31 mm |
| October | 6.1 °C | 18.2 °C | 85.09 mm |
| November | 3.6 °C | 11.7 °C | 152.4 mm |
| December | 1.6 °C | 8.1 °C | 174.5 mm |
| Annual | 6 °C | 17.6 °C | 1032.77 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |