Catalina, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 11.6 °C (low) to 28 °C (high). Annual precipitation averages 406.9 Millimeters. 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 | 2.4 °C | 18.2 °C | 44.2 mm |
| February | 3.7 °C | 19.6 °C | 34.04 mm |
| March | 6.8 °C | 23 °C | 25.65 mm |
| April | 10 °C | 26.9 °C | 7.37 mm |
| May | 13.8 °C | 32 °C | 11.18 mm |
| June | 19.6 °C | 37.4 °C | 10.67 mm |
| July | 22.1 °C | 37.2 °C | 72.9 mm |
| August | 21.3 °C | 36.3 °C | 75.18 mm |
| September | 18.4 °C | 34.3 °C | 32 mm |
| October | 12.8 °C | 29.4 °C | 28.45 mm |
| November | 6.4 °C | 23.3 °C | 22.86 mm |
| December | 2.3 °C | 17.8 °C | 42.42 mm |
| Annual | 11.6 °C | 28 °C | 406.92 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |