Anatone, Washington has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2.3 °C (low) to 13.4 °C (high). Annual precipitation averages 487.7 Millimeters. Anatone is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.5 °C | 2.3 °C | 37.34 mm |
| February | -3.9 °C | 4.3 °C | 37.85 mm |
| March | -1.7 °C | 7.6 °C | 51.05 mm |
| April | 0.7 °C | 11.6 °C | 49.53 mm |
| May | 4.5 °C | 16.2 °C | 62.99 mm |
| June | 7.1 °C | 20.3 °C | 52.83 mm |
| July | 11.1 °C | 26.9 °C | 21.34 mm |
| August | 11.1 °C | 27.2 °C | 19.81 mm |
| September | 7.3 °C | 21.9 °C | 22.86 mm |
| October | 2.3 °C | 14.2 °C | 36.58 mm |
| November | -1.6 °C | 6.4 °C | 52.32 mm |
| December | -5 °C | 1.9 °C | 43.18 mm |
| Annual | 2.3 °C | 13.4 °C | 487.68 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |