Drexel Heights, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 12.6 °C (low) to 29.2 °C (high). Annual precipitation averages 291.4 Millimeters. Drexel Heights is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.3 °C | 19.4 °C | 22.35 mm |
| February | 4.7 °C | 20.9 °C | 20.32 mm |
| March | 7.4 °C | 24.6 °C | 14.99 mm |
| April | 10.4 °C | 28.4 °C | 8.89 mm |
| May | 14.8 °C | 33.2 °C | 6.86 mm |
| June | 20.1 °C | 38.6 °C | 7.11 mm |
| July | 23.7 °C | 38.3 °C | 54.36 mm |
| August | 23 °C | 37.3 °C | 54.86 mm |
| September | 20 °C | 35.4 °C | 32.26 mm |
| October | 13.4 °C | 30.7 °C | 28.96 mm |
| November | 7.3 °C | 24.5 °C | 16.26 mm |
| December | 3.2 °C | 18.9 °C | 24.13 mm |
| Annual | 12.6 °C | 29.2 °C | 291.35 mm |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |