Tolleson, Arizona has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 59.7 °F (low) to 87 °F (high). Annual precipitation averages 8.6 Inches. Tolleson is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.4 °F | 67.1 °F | 1.11 in. |
| February | 45.8 °F | 71.2 °F | 1.17 in. |
| March | 50.8 °F | 78.0 °F | 1.03 in. |
| April | 55.5 °F | 85.4 °F | 0.31 in. |
| May | 64.8 °F | 94.4 °F | 0.14 in. |
| June | 74.0 °F | 103.8 °F | 0.05 in. |
| July | 80.3 °F | 106.5 °F | 0.78 in. |
| August | 79.9 °F | 105.1 °F | 0.98 in. |
| September | 73.0 °F | 100.4 °F | 0.74 in. |
| October | 60.1 °F | 89.2 °F | 0.56 in. |
| November | 48.7 °F | 76.3 °F | 0.68 in. |
| December | 41.5 °F | 66.4 °F | 1.06 in. |
| Annual | 59.7 °F | 87 °F | 8.61 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |