Rockaway Beach, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 46.3 °F (low) to 56.5 °F (high). Annual precipitation averages 87.2 Inches. Rockaway Beach is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 40.2 °F | 49.9 °F | 13.11 in. |
| February | 40.2 °F | 51.2 °F | 9.21 in. |
| March | 41.5 °F | 52.9 °F | 9.84 in. |
| April | 43.1 °F | 53.8 °F | 7.21 in. |
| May | 47.6 °F | 57.1 °F | 4.36 in. |
| June | 50.6 °F | 60.4 °F | 3.4 in. |
| July | 54.1 °F | 63.6 °F | 1.01 in. |
| August | 53.8 °F | 64.1 °F | 1.63 in. |
| September | 51.8 °F | 63.4 °F | 3.15 in. |
| October | 47.8 °F | 59.0 °F | 7.54 in. |
| November | 44.0 °F | 53.9 °F | 13.26 in. |
| December | 40.4 °F | 49.2 °F | 13.5 in. |
| Annual | 46.3 °F | 56.5 °F | 87.22 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |