Beaver Dam, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 52.6 °F (low) to 82.5 °F (high). Annual precipitation averages 7.6 Inches. Beaver Dam is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.9 °F | 60.0 °F | 0.8 in. |
| February | 37.4 °F | 64.4 °F | 1.29 in. |
| March | 43.6 °F | 72.2 °F | 0.86 in. |
| April | 49.4 °F | 80.0 °F | 0.53 in. |
| May | 58.5 °F | 90.4 °F | 0.25 in. |
| June | 66.8 °F | 101.4 °F | 0.12 in. |
| July | 75.0 °F | 106.6 °F | 0.43 in. |
| August | 74.3 °F | 105.1 °F | 0.57 in. |
| September | 65.2 °F | 98.0 °F | 0.45 in. |
| October | 52.8 °F | 84.4 °F | 0.77 in. |
| November | 40.7 °F | 69.4 °F | 0.6 in. |
| December | 33.4 °F | 58.3 °F | 0.93 in. |
| Annual | 52.6 °F | 82.5 °F | 7.6 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |