Malone, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 42 °F (low) to 62.1 °F (high). Annual precipitation averages 72.2 Inches. Malone is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.3 °F | 47.6 °F | 11.23 in. |
| February | 34.6 °F | 50.6 °F | 7.12 in. |
| March | 36.3 °F | 54.8 °F | 8.08 in. |
| April | 39.0 °F | 60.8 °F | 5.47 in. |
| May | 44.2 °F | 67.6 °F | 3.16 in. |
| June | 48.4 °F | 71.7 °F | 2.3 in. |
| July | 51.9 °F | 77.8 °F | 0.78 in. |
| August | 51.8 °F | 78.8 °F | 1.37 in. |
| September | 48.1 °F | 74.0 °F | 2.68 in. |
| October | 42.2 °F | 63.0 °F | 7.05 in. |
| November | 37.2 °F | 52.1 °F | 11.7 in. |
| December | 34.6 °F | 46.5 °F | 11.29 in. |
| Annual | 42 °F | 62.1 °F | 72.23 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |