Catalina, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 52.9 °F (low) to 82.3 °F (high). Annual precipitation averages 16 Inches. Catalina is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Jan. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.4 °F | 64.8 °F | 1.74 in. |
| February | 38.7 °F | 67.2 °F | 1.34 in. |
| March | 44.2 °F | 73.4 °F | 1.01 in. |
| April | 50.0 °F | 80.5 °F | 0.29 in. |
| May | 56.8 °F | 89.6 °F | 0.44 in. |
| June | 67.2 °F | 99.4 °F | 0.42 in. |
| July | 71.8 °F | 99.0 °F | 2.87 in. |
| August | 70.3 °F | 97.3 °F | 2.96 in. |
| September | 65.1 °F | 93.8 °F | 1.26 in. |
| October | 55.0 °F | 85.0 °F | 1.12 in. |
| November | 43.6 °F | 73.9 °F | 0.9 in. |
| December | 36.2 °F | 64.0 °F | 1.67 in. |
| Annual | 52.9 °F | 82.3 °F | 16.02 in. |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |