Everett, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 43 °F (low) to 60 °F (high). Annual precipitation averages 39 Inches. Everett 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.0 °F | 46.5 °F | 4.7 in. |
| February | 34.9 °F | 49.4 °F | 3.55 in. |
| March | 37.2 °F | 53.4 °F | 4.11 in. |
| April | 40.9 °F | 58.8 °F | 3.38 in. |
| May | 46.0 °F | 65.2 °F | 2.61 in. |
| June | 50.3 °F | 69.0 °F | 2.3 in. |
| July | 53.1 °F | 74.6 °F | 0.89 in. |
| August | 53.0 °F | 75.3 °F | 0.91 in. |
| September | 49.2 °F | 70.3 °F | 1.94 in. |
| October | 43.4 °F | 60.4 °F | 3.79 in. |
| November | 38.4 °F | 51.2 °F | 5.61 in. |
| December | 34.8 °F | 45.7 °F | 5.25 in. |
| Annual | 43 °F | 60 °F | 39.04 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 |