Cape Meares, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7.4 °C (low) to 15.4 °C (high). Annual precipitation averages 2433.3 Millimeters. Cape Meares is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.2 °C | 9.7 °C | 357.38 mm |
| February | 4.1 °C | 10.8 °C | 262.13 mm |
| March | 4.7 °C | 12.3 °C | 272.29 mm |
| April | 5.7 °C | 14.1 °C | 202.95 mm |
| May | 8.1 °C | 16.6 °C | 122.43 mm |
| June | 9.7 °C | 18.5 °C | 87.63 mm |
| July | 11.4 °C | 21.2 °C | 24.89 mm |
| August | 11.3 °C | 22 °C | 34.8 mm |
| September | 10.3 °C | 20.9 °C | 86.61 mm |
| October | 8.2 °C | 17.1 °C | 217.68 mm |
| November | 6.3 °C | 11.9 °C | 366.78 mm |
| December | 4.3 °C | 9.3 °C | 397.76 mm |
| Annual | 7.4 °C | 15.4 °C | 2433.33 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |