Bay View, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 43 °F (low) to 58.8 °F (high). Annual precipitation averages 32.3 Inches. Bay View is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.4 °F | 46.4 °F | 4.3 in. |
| February | 35.3 °F | 48.3 °F | 2.81 in. |
| March | 37.9 °F | 52.2 °F | 3.14 in. |
| April | 41.1 °F | 57.5 °F | 2.55 in. |
| May | 45.7 °F | 63.6 °F | 2.19 in. |
| June | 49.9 °F | 67.8 °F | 1.62 in. |
| July | 52.3 °F | 72.8 °F | 0.89 in. |
| August | 52.3 °F | 73.4 °F | 0.98 in. |
| September | 48.9 °F | 68.3 °F | 1.71 in. |
| October | 43.5 °F | 58.9 °F | 3.32 in. |
| November | 38.8 °F | 50.9 °F | 4.87 in. |
| December | 35.0 °F | 45.5 °F | 3.96 in. |
| Annual | 43 °F | 58.8 °F | 32.34 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 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 | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |