Lakewood, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 6.1 °C (low) to 15.9 °C (high). Annual precipitation averages 1115.6 Millimeters. Lakewood is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.7 °C | 8.3 °C | 161.54 mm |
| February | 1.6 °C | 9.8 °C | 106.68 mm |
| March | 2.8 °C | 12.1 °C | 123.95 mm |
| April | 4.6 °C | 14.7 °C | 88.14 mm |
| May | 7.6 °C | 18.6 °C | 55.63 mm |
| June | 10.2 °C | 21 °C | 43.43 mm |
| July | 12.1 °C | 24.7 °C | 17.78 mm |
| August | 12.1 °C | 25.1 °C | 25.65 mm |
| September | 9.8 °C | 21.8 °C | 39.88 mm |
| October | 6.4 °C | 15.7 °C | 115.32 mm |
| November | 3.3 °C | 10.8 °C | 170.43 mm |
| December | 1.4 °C | 7.8 °C | 167.13 mm |
| Annual | 6.1 °C | 15.9 °C | 1115.56 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 50-75 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 | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |