Florence, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 56.9 °F (low) to 85.9 °F (high). Annual precipitation averages 9 Inches. Florence is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.9 °F | 66.7 °F | 1.16 in. |
| February | 42.3 °F | 70.2 °F | 1.14 in. |
| March | 46.6 °F | 76.9 °F | 1.06 in. |
| April | 52.3 °F | 84.2 °F | 0.32 in. |
| May | 60.8 °F | 93.5 °F | 0.15 in. |
| June | 70.0 °F | 102.8 °F | 0.05 in. |
| July | 77.6 °F | 104.4 °F | 0.98 in. |
| August | 77.1 °F | 102.8 °F | 1.27 in. |
| September | 71.0 °F | 98.6 °F | 0.76 in. |
| October | 58.7 °F | 88.6 °F | 0.55 in. |
| November | 46.8 °F | 76.1 °F | 0.49 in. |
| December | 39.3 °F | 65.7 °F | 1.1 in. |
| Annual | 56.9 °F | 85.9 °F | 9.03 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 20-30 Days |
| 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 | BSh - Hot Semi-Arid Climate |