Tubac, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 48.9 °F (low) to 81.6 °F (high). Annual precipitation averages 14.3 Inches. Tubac is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.3 °F | 65.6 °F | 0.8 in. |
| February | 35.5 °F | 67.9 °F | 0.89 in. |
| March | 39.9 °F | 74.2 °F | 0.77 in. |
| April | 44.2 °F | 80.4 °F | 0.33 in. |
| May | 51.5 °F | 88.4 °F | 0.21 in. |
| June | 61.5 °F | 97.6 °F | 0.4 in. |
| July | 68.7 °F | 96.2 °F | 3.72 in. |
| August | 67.6 °F | 94.2 °F | 2.96 in. |
| September | 61.7 °F | 91.6 °F | 1.8 in. |
| October | 49.7 °F | 84.3 °F | 0.85 in. |
| November | 39.7 °F | 74.1 °F | 0.57 in. |
| December | 33.0 °F | 64.8 °F | 0.96 in. |
| Annual | 48.9 °F | 81.6 °F | 14.26 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 | Abnormally Dry |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |