Marcola, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 5.6 °C (low) to 17.6 °C (high). Annual precipitation averages 1250.5 Millimeters. Marcola is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.5 °C | 8.6 °C | 163.32 mm |
| February | 1.7 °C | 10.8 °C | 131.83 mm |
| March | 2.7 °C | 13.3 °C | 141.73 mm |
| April | 4.3 °C | 16.2 °C | 121.16 mm |
| May | 6.8 °C | 19.9 °C | 86.11 mm |
| June | 9.1 °C | 23.1 °C | 47.5 mm |
| July | 11.1 °C | 28.1 °C | 11.68 mm |
| August | 10.8 °C | 28.5 °C | 11.43 mm |
| September | 8.8 °C | 25.2 °C | 46.23 mm |
| October | 6 °C | 18.3 °C | 110.24 mm |
| November | 3.4 °C | 11.7 °C | 173.23 mm |
| December | 1.4 °C | 8 °C | 205.99 mm |
| Annual | 5.6 °C | 17.6 °C | 1250.45 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 | Severe Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |