Vantage, Washington has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 42.2 °F (low) to 64.9 °F (high). Annual precipitation averages 7.9 Inches. Vantage is located in USDA Plant Hardiness Zone 7b. 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 | 26.8 °F | 39.2 °F | 1.1 in. |
| February | 29.9 °F | 46.5 °F | 0.74 in. |
| March | 34.5 °F | 56.6 °F | 0.75 in. |
| April | 40.1 °F | 65.1 °F | 0.58 in. |
| May | 48.1 °F | 74.6 °F | 0.65 in. |
| June | 54.3 °F | 81.3 °F | 0.59 in. |
| July | 60.5 °F | 90.6 °F | 0.27 in. |
| August | 59.6 °F | 89.6 °F | 0.13 in. |
| September | 51.5 °F | 80.4 °F | 0.2 in. |
| October | 41.2 °F | 65.7 °F | 0.64 in. |
| November | 32.5 °F | 49.5 °F | 0.92 in. |
| December | 26.9 °F | 39.1 °F | 1.3 in. |
| Annual | 42.2 °F | 64.9 °F | 7.87 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |