Cashmere, Washington has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 4.4 °C (low) to 16.9 °C (high). Annual precipitation averages 364 Millimeters. Cashmere is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.2 °C | 2.1 °C | 56.64 mm |
| February | -2.8 °C | 6.4 °C | 37.59 mm |
| March | 0.1 °C | 12.1 °C | 35.05 mm |
| April | 3.4 °C | 17.4 °C | 19.56 mm |
| May | 7.7 °C | 22.6 °C | 23.37 mm |
| June | 11.2 °C | 26.2 °C | 17.53 mm |
| July | 14.6 °C | 31.3 °C | 7.87 mm |
| August | 14.2 °C | 31.1 °C | 6.6 mm |
| September | 9.6 °C | 26 °C | 9.4 mm |
| October | 3.8 °C | 17.3 °C | 27.43 mm |
| November | -0.7 °C | 8.1 °C | 48.26 mm |
| December | -4.1 °C | 2 °C | 74.68 mm |
| Annual | 4.4 °C | 16.9 °C | 363.98 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |