Central Park, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 5.7 °C (low) to 14.9 °C (high). Annual precipitation averages 2249.2 Millimeters. Central Park is located in USDA Plant Hardiness Zone 8b. 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 | 2 °C | 8.1 °C | 360.43 mm |
| February | 1.6 °C | 9.7 °C | 219.46 mm |
| March | 2.6 °C | 11.6 °C | 265.68 mm |
| April | 3.9 °C | 13.8 °C | 179.32 mm |
| May | 6.8 °C | 17.1 °C | 93.47 mm |
| June | 9.2 °C | 19.1 °C | 69.6 mm |
| July | 11 °C | 21.9 °C | 27.18 mm |
| August | 11.1 °C | 22.4 °C | 43.43 mm |
| September | 9.2 °C | 20.9 °C | 82.3 mm |
| October | 6.1 °C | 15.7 °C | 222.5 mm |
| November | 3.3 °C | 10.7 °C | 331.72 mm |
| December | 1.6 °C | 7.6 °C | 354.08 mm |
| Annual | 5.7 °C | 14.9 °C | 2249.17 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 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |