Hatton, Washington has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 38.8 °F (low) to 62.6 °F (high). Annual precipitation averages 9.1 Inches. Hatton is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.8 °F | 37.7 °F | 1.17 in. |
| February | 28.0 °F | 44.8 °F | 0.83 in. |
| March | 32.0 °F | 54.4 °F | 0.96 in. |
| April | 36.4 °F | 62.7 °F | 0.79 in. |
| May | 43.3 °F | 72.0 °F | 0.77 in. |
| June | 49.0 °F | 78.6 °F | 0.66 in. |
| July | 54.8 °F | 88.0 °F | 0.26 in. |
| August | 54.4 °F | 87.3 °F | 0.21 in. |
| September | 47.2 °F | 78.1 °F | 0.31 in. |
| October | 38.1 °F | 63.1 °F | 0.82 in. |
| November | 30.6 °F | 47.4 °F | 1.13 in. |
| December | 25.4 °F | 37.1 °F | 1.21 in. |
| Annual | 38.8 °F | 62.6 °F | 9.12 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |