Ocean Park, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7.4 °C (low) to 14.4 °C (high). Annual precipitation averages 1974.9 Millimeters. Ocean Park 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4 °C | 9.4 °C | 302.51 mm |
| February | 3.8 °C | 10.4 °C | 196.34 mm |
| March | 4.6 °C | 11.7 °C | 219.46 mm |
| April | 5.7 °C | 13.1 °C | 152.15 mm |
| May | 8.2 °C | 15.3 °C | 112.78 mm |
| June | 10.1 °C | 17.1 °C | 61.47 mm |
| July | 12.1 °C | 18.8 °C | 33.02 mm |
| August | 11.9 °C | 19.7 °C | 36.83 mm |
| September | 10.7 °C | 19.5 °C | 69.09 mm |
| October | 8.2 °C | 16.1 °C | 189.74 mm |
| November | 5.8 °C | 11.9 °C | 287.02 mm |
| December | 3.8 °C | 9.2 °C | 314.45 mm |
| Annual | 7.4 °C | 14.4 °C | 1974.86 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 30-40 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 |