Stayton, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 6 °C (low) to 17.1 °C (high). Annual precipitation averages 1236.5 Millimeters. Stayton is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.6 °C | 8.4 °C | 161.29 mm |
| February | 1.7 °C | 10.4 °C | 127 mm |
| March | 3.1 °C | 12.9 °C | 140.72 mm |
| April | 4.7 °C | 15.7 °C | 117.35 mm |
| May | 7.4 °C | 19.5 °C | 79.5 mm |
| June | 9.8 °C | 22.6 °C | 55.12 mm |
| July | 11.8 °C | 27.3 °C | 13.21 mm |
| August | 11.7 °C | 27.7 °C | 16.26 mm |
| September | 9.4 °C | 24.4 °C | 50.04 mm |
| October | 6.3 °C | 17.7 °C | 107.44 mm |
| November | 3.6 °C | 11.3 °C | 166.88 mm |
| December | 1.4 °C | 7.8 °C | 201.68 mm |
| Annual | 6 °C | 17.1 °C | 1236.49 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 |