Patagonia, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 46.1 °F (low) to 78.7 °F (high). Annual precipitation averages 18.2 Inches. Patagonia 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 | 30.9 °F | 63.2 °F | 1.26 in. |
| February | 33.2 °F | 65.5 °F | 1.2 in. |
| March | 37.5 °F | 71.1 °F | 0.97 in. |
| April | 41.7 °F | 77.4 °F | 0.5 in. |
| May | 49.1 °F | 85.6 °F | 0.21 in. |
| June | 59.4 °F | 94.5 °F | 0.58 in. |
| July | 65.4 °F | 92.8 °F | 4.16 in. |
| August | 64.1 °F | 90.5 °F | 4.02 in. |
| September | 58.4 °F | 88.3 °F | 1.95 in. |
| October | 46.3 °F | 81.3 °F | 1.19 in. |
| November | 37.2 °F | 71.5 °F | 0.69 in. |
| December | 30.1 °F | 62.8 °F | 1.47 in. |
| Annual | 46.1 °F | 78.7 °F | 18.2 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |