Amity, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 43.2 °F (low) to 63.4 °F (high). Annual precipitation averages 44 Inches. Amity is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.5 °F | 47.1 °F | 6.83 in. |
| February | 35.6 °F | 50.9 °F | 4.98 in. |
| March | 37.7 °F | 55.6 °F | 4.64 in. |
| April | 40.5 °F | 60.6 °F | 3.54 in. |
| May | 45.7 °F | 67.9 °F | 2.22 in. |
| June | 49.8 °F | 73.5 °F | 1.39 in. |
| July | 53.4 °F | 82.5 °F | 0.29 in. |
| August | 53.3 °F | 83.1 °F | 0.4 in. |
| September | 49.6 °F | 76.8 °F | 1.37 in. |
| October | 43.6 °F | 64.0 °F | 3.6 in. |
| November | 38.6 °F | 52.8 °F | 6.68 in. |
| December | 34.8 °F | 46.3 °F | 8.05 in. |
| Annual | 43.2 °F | 63.4 °F | 43.99 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 40-50 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 | Moderate Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |