Marcola, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 42.1 °F (low) to 63.8 °F (high). Annual precipitation averages 49.2 Inches. 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 | 34.7 °F | 47.5 °F | 6.43 in. |
| February | 35.1 °F | 51.4 °F | 5.19 in. |
| March | 36.9 °F | 56.0 °F | 5.58 in. |
| April | 39.7 °F | 61.2 °F | 4.77 in. |
| May | 44.3 °F | 67.9 °F | 3.39 in. |
| June | 48.4 °F | 73.5 °F | 1.87 in. |
| July | 51.9 °F | 82.6 °F | 0.46 in. |
| August | 51.4 °F | 83.3 °F | 0.45 in. |
| September | 47.8 °F | 77.3 °F | 1.82 in. |
| October | 42.8 °F | 65.0 °F | 4.34 in. |
| November | 38.2 °F | 53.0 °F | 6.82 in. |
| December | 34.5 °F | 46.4 °F | 8.11 in. |
| Annual | 42.1 °F | 63.8 °F | 49.23 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |