Home, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 43 °F (low) to 60.9 °F (high). Annual precipitation averages 51.7 Inches. Home 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.2 °F | 47.0 °F | 7.81 in. |
| February | 34.7 °F | 49.7 °F | 5.03 in. |
| March | 36.9 °F | 54.2 °F | 5.8 in. |
| April | 40.2 °F | 59.5 °F | 3.93 in. |
| May | 45.6 °F | 66.6 °F | 2.32 in. |
| June | 50.1 °F | 70.6 °F | 1.64 in. |
| July | 53.7 °F | 76.7 °F | 0.68 in. |
| August | 53.6 °F | 77.3 °F | 1.08 in. |
| September | 49.4 °F | 71.6 °F | 1.79 in. |
| October | 43.4 °F | 59.7 °F | 5.05 in. |
| November | 37.9 °F | 51.4 °F | 8.52 in. |
| December | 34.7 °F | 46.0 °F | 8.07 in. |
| Annual | 43 °F | 60.9 °F | 51.72 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |