Beaver Dam, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 11.4 °C (low) to 28.1 °C (high). Annual precipitation averages 193 Millimeters. 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 | 1.1 °C | 15.6 °C | 20.32 mm |
| February | 3 °C | 18 °C | 32.77 mm |
| March | 6.4 °C | 22.3 °C | 21.84 mm |
| April | 9.7 °C | 26.7 °C | 13.46 mm |
| May | 14.7 °C | 32.4 °C | 6.35 mm |
| June | 19.3 °C | 38.6 °C | 3.05 mm |
| July | 23.9 °C | 41.4 °C | 10.92 mm |
| August | 23.5 °C | 40.6 °C | 14.48 mm |
| September | 18.4 °C | 36.7 °C | 11.43 mm |
| October | 11.6 °C | 29.1 °C | 19.56 mm |
| November | 4.8 °C | 20.8 °C | 15.24 mm |
| December | 0.8 °C | 14.6 °C | 23.62 mm |
| Annual | 11.4 °C | 28.1 °C | 193.04 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |