Lake Shore, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 43.4 °F (low) to 62.4 °F (high). Annual precipitation averages 41.6 Inches. Lake Shore 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.6 °F | 46.6 °F | 5.84 in. |
| February | 34.8 °F | 50.6 °F | 4.0 in. |
| March | 37.5 °F | 55.4 °F | 4.72 in. |
| April | 40.9 °F | 60.2 °F | 3.3 in. |
| May | 46.4 °F | 67.3 °F | 2.59 in. |
| June | 50.6 °F | 71.9 °F | 1.83 in. |
| July | 54.6 °F | 79.4 °F | 0.52 in. |
| August | 54.5 °F | 80.5 °F | 0.57 in. |
| September | 50.1 °F | 74.9 °F | 1.63 in. |
| October | 43.7 °F | 63.3 °F | 3.8 in. |
| November | 38.4 °F | 52.5 °F | 5.92 in. |
| December | 34.4 °F | 45.9 °F | 6.85 in. |
| Annual | 43.4 °F | 62.4 °F | 41.57 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |