Oracle, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 49.5 °F (low) to 75.9 °F (high). Annual precipitation averages 19.6 Inches. Oracle is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.9 °F | 58.1 °F | 1.99 in. |
| February | 35.3 °F | 60.5 °F | 1.96 in. |
| March | 39.8 °F | 66.7 °F | 1.48 in. |
| April | 45.2 °F | 73.9 °F | 0.63 in. |
| May | 53.9 °F | 83.3 °F | 0.6 in. |
| June | 63.9 °F | 93.0 °F | 0.47 in. |
| July | 68.3 °F | 93.0 °F | 2.86 in. |
| August | 66.5 °F | 91.0 °F | 3.48 in. |
| September | 61.7 °F | 87.5 °F | 1.78 in. |
| October | 50.9 °F | 78.9 °F | 1.28 in. |
| November | 41.0 °F | 67.2 °F | 1.27 in. |
| December | 33.7 °F | 57.3 °F | 1.78 in. |
| Annual | 49.5 °F | 75.9 °F | 19.58 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 20-30 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 | BSh - Hot Semi-Arid Climate |