Rock Point, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 4.2 °C (low) to 21.3 °C (high). Annual precipitation averages 173.7 Millimeters. Rock Point is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7 °C | 7.1 °C | 17.78 mm |
| February | -4.3 °C | 10.8 °C | 12.7 mm |
| March | -0.8 °C | 16.6 °C | 14.22 mm |
| April | 2.8 °C | 21 °C | 8.38 mm |
| May | 7.9 °C | 26.5 °C | 11.43 mm |
| June | 12.8 °C | 33.2 °C | 5.08 mm |
| July | 17.1 °C | 35.3 °C | 17.02 mm |
| August | 16.3 °C | 33.6 °C | 22.61 mm |
| September | 11.1 °C | 29.3 °C | 21.08 mm |
| October | 3.7 °C | 21.8 °C | 18.54 mm |
| November | -2.8 °C | 13.6 °C | 12.45 mm |
| December | -6.9 °C | 7.1 °C | 12.45 mm |
| Annual | 4.2 °C | 21.3 °C | 173.74 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |