Tubac, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 9.4 °C (low) to 27.6 °C (high). Annual precipitation averages 362.2 Millimeters. 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 | 0.7 °C | 18.7 °C | 20.32 mm |
| February | 1.9 °C | 19.9 °C | 22.61 mm |
| March | 4.4 °C | 23.4 °C | 19.56 mm |
| April | 6.8 °C | 26.9 °C | 8.38 mm |
| May | 10.8 °C | 31.3 °C | 5.33 mm |
| June | 16.4 °C | 36.4 °C | 10.16 mm |
| July | 20.4 °C | 35.7 °C | 94.49 mm |
| August | 19.8 °C | 34.6 °C | 75.18 mm |
| September | 16.5 °C | 33.1 °C | 45.72 mm |
| October | 9.8 °C | 29.1 °C | 21.59 mm |
| November | 4.3 °C | 23.4 °C | 14.48 mm |
| December | 0.6 °C | 18.2 °C | 24.38 mm |
| Annual | 9.4 °C | 27.6 °C | 362.2 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |